15207396797 has 36 divisors (see below), whose sum is σ = 16712162688. Its totient is φ = 13822838400.

The previous prime is 15207396793. The next prime is 15207396821. The reversal of 15207396797 is 79769370251.

It is not a de Polignac number, because 15207396797 - 2² = 15207396793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15207396793) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43825178 + ... + 43825524.

Almost surely, 2^15207396797 is an apocalyptic number.

It is an amenable number.

15207396797 is a deficient number, since it is larger than the sum of its proper divisors (1504765891).

15207396797 is an equidigital number, since it uses as much as digits as its factorization.

15207396797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 5000940, while the sum is 56.

The spelling of 15207396797 in words is "fifteen billion, two hundred seven million, three hundred ninety-six thousand, seven hundred ninety-seven".