7860978528 has 96 divisors (see below), whose sum is σ = 23392051200. Its totient is φ = 2291452416.

The previous prime is 7860978487. The next prime is 7860978529. The reversal of 7860978528 is 8258790687.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7860978529) 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, 142048 + ... + 189471.

It is an arithmetic number, because the mean of its divisors is an integer number (243667200).

Almost surely, 2^7860978528 is an apocalyptic number.

7860978528 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7860978528 is an abundant number, since it is smaller than the sum of its proper divisors (15531072672).

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

7860978528 is a wasteful number, since it uses less digits than its factorization.

7860978528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331564 (or 331556 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 60.

The square root of 7860978528 is about 88662.1595044921. The cubic root of 7860978528 is about 1988.3471143229.

The spelling of 7860978528 in words is "seven billion, eight hundred sixty million, nine hundred seventy-eight thousand, five hundred twenty-eight".