79932556807 has 4 divisors (see below), whose sum is σ = 79937396440. Its totient is φ = 79927717176.

The previous prime is 79932556777. The next prime is 79932556817. The reversal of 79932556807 is 70865523997.

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 79932556807 - 2¹⁹ = 79932032519 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 (79932556817) 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, 2394957 + ... + 2428102.

It is an arithmetic number, because the mean of its divisors is an integer number (19984349110).

Almost surely, 2^79932556807 is an apocalyptic number.

79932556807 is a deficient number, since it is larger than the sum of its proper divisors (4839633).

79932556807 is a wasteful number, since it uses less digits than its factorization.

79932556807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4839632.

The product of its (nonzero) digits is 28576800, while the sum is 61.

The spelling of 79932556807 in words is "seventy-nine billion, nine hundred thirty-two million, five hundred fifty-six thousand, eight hundred seven".