79625765087 has 4 divisors (see below), whose sum is σ = 86864471016. Its totient is φ = 72387059160.

The previous prime is 79625765017. The next prime is 79625765113. The reversal of 79625765087 is 78056752697.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79625765087 - 2²⁰ = 79624716511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79625765017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3619352948 + ... + 3619352969.

It is an arithmetic number, because the mean of its divisors is an integer number (21716117754).

Almost surely, 2^79625765087 is an apocalyptic number.

79625765087 is a deficient number, since it is larger than the sum of its proper divisors (7238705929).

79625765087 is a wasteful number, since it uses less digits than its factorization.

79625765087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238705928.

The product of its (nonzero) digits is 44452800, while the sum is 62.

The spelling of 79625765087 in words is "seventy-nine billion, six hundred twenty-five million, seven hundred sixty-five thousand, eighty-seven".