79650402567 has 4 divisors (see below), whose sum is σ = 106200536760. Its totient is φ = 53100268376.

The previous prime is 79650402529. The next prime is 79650402577. The reversal of 79650402567 is 76520405697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76520405697 = 3 ⋅25506801899.

It is a cyclic number.

It is not a de Polignac number, because 79650402567 - 2²² = 79646208263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79650402577) 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, 13275067092 + ... + 13275067097.

It is an arithmetic number, because the mean of its divisors is an integer number (26550134190).

Almost surely, 2^79650402567 is an apocalyptic number.

79650402567 is a deficient number, since it is larger than the sum of its proper divisors (26550134193).

79650402567 is a wasteful number, since it uses less digits than its factorization.

79650402567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26550134192.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 79650402567 in words is "seventy-nine billion, six hundred fifty million, four hundred two thousand, five hundred sixty-seven".