79863620167 has 16 divisors (see below), whose sum is σ = 82743091200. Its totient is φ = 77040862560.

The previous prime is 79863620147. The next prime is 79863620201. The reversal of 79863620167 is 76102636897.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 79863620167 - 2³⁵ = 45503881799 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 (79863620117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937684 + ... + 1019302.

It is an arithmetic number, because the mean of its divisors is an integer number (5171443200).

Almost surely, 2^79863620167 is an apocalyptic number.

79863620167 is a deficient number, since it is larger than the sum of its proper divisors (2879471033).

79863620167 is a wasteful number, since it uses less digits than its factorization.

79863620167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81966.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 79863620167 in words is "seventy-nine billion, eight hundred sixty-three million, six hundred twenty thousand, one hundred sixty-seven".