78736088525 has 12 divisors (see below), whose sum is σ = 99287544000. Its totient is φ = 61921261680.

The previous prime is 78736088491. The next prime is 78736088537. The reversal of 78736088525 is 52588063787.

It is not a de Polignac number, because 78736088525 - 2¹⁰ = 78736087501 is a prime.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26688725 + ... + 26691674.

It is an arithmetic number, because the mean of its divisors is an integer number (8273962000).

Almost surely, 2^78736088525 is an apocalyptic number.

It is an amenable number.

78736088525 is a deficient number, since it is larger than the sum of its proper divisors (20551455475).

78736088525 is a wasteful number, since it uses less digits than its factorization.

78736088525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53380468 (or 53380463 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 59.

The spelling of 78736088525 in words is "seventy-eight billion, seven hundred thirty-six million, eighty-eight thousand, five hundred twenty-five".