2487977140 has 48 divisors (see below), whose sum is σ = 5715198720. Its totient is φ = 902263680.

The previous prime is 2487977131. The next prime is 2487977143. The reversal of 2487977140 is 417797842.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487977143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66901 + ... + 97219.

It is an arithmetic number, because the mean of its divisors is an integer number (119066640).

Almost surely, 2^2487977140 is an apocalyptic number.

2487977140 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 2487977140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2857599360).

2487977140 is an abundant number, since it is smaller than the sum of its proper divisors (3227221580).

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

2487977140 is a wasteful number, since it uses less digits than its factorization.

2487977140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30712 (or 30710 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 2487977140 is about 49879.6265022103. The cubic root of 2487977140 is about 1355.0296403787.

The spelling of 2487977140 in words is "two billion, four hundred eighty-seven million, nine hundred seventy-seven thousand, one hundred forty".