2387895780 has 96 divisors (see below), whose sum is σ = 6865778304. Its totient is φ = 619766784.

The previous prime is 2387895767. The next prime is 2387895793. The reversal of 2387895780 is 875987832.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2387895767) and next prime (2387895793).

It is a super-2 number, since 2×2387895780² = 11404092512283616800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2387895780.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 806062 + ... + 809018.

It is an arithmetic number, because the mean of its divisors is an integer number (71518524).

Almost surely, 2^2387895780 is an apocalyptic number.

2387895780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2387895780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3432889152).

2387895780 is an abundant number, since it is smaller than the sum of its proper divisors (4477882524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2387895780 is a wasteful number, since it uses less digits than its factorization.

2387895780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The square root of 2387895780 is about 48866.1005196854. The cubic root of 2387895780 is about 1336.6112823227.

The spelling of 2387895780 in words is "two billion, three hundred eighty-seven million, eight hundred ninety-five thousand, seven hundred eighty".