79540752472 has 32 divisors (see below), whose sum is σ = 156234600000. Its totient is φ = 37912912128.

The previous prime is 79540752461. The next prime is 79540752497. The reversal of 79540752472 is 27425704597.

It is a super-2 number, since 2×79540752472² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151597 + ... + 2188252.

It is an arithmetic number, because the mean of its divisors is an integer number (4882331250).

Almost surely, 2^79540752472 is an apocalyptic number.

It is an amenable number.

79540752472 is a deficient number, since it is larger than the sum of its proper divisors (76693847528).

79540752472 is a wasteful number, since it uses less digits than its factorization.

79540752472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339963 (or 4339959 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 79540752472 in words is "seventy-nine billion, five hundred forty million, seven hundred fifty-two thousand, four hundred seventy-two".