79992527425 has 24 divisors (see below), whose sum is σ = 103555318464. Its totient is φ = 61180954560.

The previous prime is 79992527423. The next prime is 79992527429. The reversal of 79992527425 is 52472529997.

It is not a de Polignac number, because 79992527425 - 2¹ = 79992527423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79992527423) 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 23 ways as a sum of consecutive naturals, for example, 1146594 + ... + 1214356.

It is an arithmetic number, because the mean of its divisors is an integer number (4314804936).

Almost surely, 2^79992527425 is an apocalyptic number.

It is an amenable number.

79992527425 is a deficient number, since it is larger than the sum of its proper divisors (23562791039).

79992527425 is a wasteful number, since it uses less digits than its factorization.

79992527425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69849 (or 69844 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 61.

The spelling of 79992527425 in words is "seventy-nine billion, nine hundred ninety-two million, five hundred twenty-seven thousand, four hundred twenty-five".