2387065780 has 24 divisors (see below), whose sum is σ = 5468551200. Its totient is φ = 868023840.

The previous prime is 2387065729. The next prime is 2387065789. The reversal of 2387065780 is 875607832.

It is a self number, because there is not a number n which added to its sum of digits gives 2387065780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2387065789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5424930 + ... + 5425369.

It is an arithmetic number, because the mean of its divisors is an integer number (227856300).

Almost surely, 2^2387065780 is an apocalyptic number.

2387065780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2387065780 is an abundant number, since it is smaller than the sum of its proper divisors (3081485420).

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

2387065780 is a wasteful number, since it uses less digits than its factorization.

2387065780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10850319 (or 10850317 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 2387065780 is about 48857.6071865989. The cubic root of 2387065780 is about 1336.4564017601.

The spelling of 2387065780 in words is "two billion, three hundred eighty-seven million, sixty-five thousand, seven hundred eighty".