79887552705 has 48 divisors (see below), whose sum is σ = 141149211840. Its totient is φ = 41790259584.

The previous prime is 79887552697. The next prime is 79887552733. The reversal of 79887552705 is 50725578897.

79887552705 is a `hidden beast` number, since 7 + 9 + 8 + 8 + 7 + 552 + 70 + 5 = 666.

It is not a de Polignac number, because 79887552705 - 2³ = 79887552697 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 442227 + ... + 596103.

It is an arithmetic number, because the mean of its divisors is an integer number (2940608580).

Almost surely, 2^79887552705 is an apocalyptic number.

It is an amenable number.

79887552705 is a deficient number, since it is larger than the sum of its proper divisors (61261659135).

79887552705 is a wasteful number, since it uses less digits than its factorization.

79887552705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154110 (or 154107 counting only the distinct ones).

The product of its (nonzero) digits is 49392000, while the sum is 63.

The spelling of 79887552705 in words is "seventy-nine billion, eight hundred eighty-seven million, five hundred fifty-two thousand, seven hundred five".