72869692079 has 2 divisors, whose sum is σ = 72869692080. Its totient is φ = 72869692078.

The previous prime is 72869692033. The next prime is 72869692127. The reversal of 72869692079 is 97029696827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72869692079 - 2²⁰ = 72868643503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72869692009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36434846039 + 36434846040.

It is an arithmetic number, because the mean of its divisors is an integer number (36434846040).

Almost surely, 2^72869692079 is an apocalyptic number.

72869692079 is a deficient number, since it is larger than the sum of its proper divisors (1).

72869692079 is an equidigital number, since it uses as much as digits as its factorization.

72869692079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41150592, while the sum is 65.

The spelling of 72869692079 in words is "seventy-two billion, eight hundred sixty-nine million, six hundred ninety-two thousand, seventy-nine".