715920398925 has 48 divisors (see below), whose sum is σ = 1198320594240. Its totient is φ = 377096509440.

The previous prime is 715920398923. The next prime is 715920398939. The reversal of 715920398925 is 529893029517.

It is not a de Polignac number, because 715920398925 - 2¹ = 715920398923 is a prime.

It is a super-2 number, since 2×715920398925² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715920398923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20082717 + ... + 20118333.

It is an arithmetic number, because the mean of its divisors is an integer number (24965012380).

Almost surely, 2^715920398925 is an apocalyptic number.

715920398925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

715920398925 is a deficient number, since it is larger than the sum of its proper divisors (482400195315).

715920398925 is a wasteful number, since it uses less digits than its factorization.

715920398925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38942 (or 38937 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 715920398925 in words is "seven hundred fifteen billion, nine hundred twenty million, three hundred ninety-eight thousand, nine hundred twenty-five".