72999099927 has 24 divisors (see below), whose sum is σ = 115153522848. Its totient is φ = 44289806400.

The previous prime is 72999099923. The next prime is 72999099931.

72999099927 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (72999099923) and next prime (72999099931).

It is not a de Polignac number, because 72999099927 - 2² = 72999099923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72999099923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4385524 + ... + 4402137.

It is an arithmetic number, because the mean of its divisors is an integer number (4798063452).

Almost surely, 2^72999099927 is an apocalyptic number.

72999099927 is a deficient number, since it is larger than the sum of its proper divisors (42154422921).

72999099927 is a wasteful number, since it uses less digits than its factorization.

72999099927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8787751 (or 8787748 counting only the distinct ones).

The product of its (nonzero) digits is 104162436, while the sum is 72.

The spelling of 72999099927 in words is "seventy-two billion, nine hundred ninety-nine million, ninety-nine thousand, nine hundred twenty-seven".