79541512 has 8 divisors (see below), whose sum is σ = 149140350. Its totient is φ = 39770752.

The previous prime is 79541489. The next prime is 79541549. The reversal of 79541512 is 21514597.

It can be written as a sum of positive squares in only one way, i.e., 79316836 + 224676 = 8906^2 + 474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×79541512² = 12653704262492288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4971337 + ... + 4971352.

Almost surely, 2^79541512 is an apocalyptic number.

It is an amenable number.

79541512 is a deficient number, since it is larger than the sum of its proper divisors (69598838).

79541512 is a wasteful number, since it uses less digits than its factorization.

79541512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9942695 (or 9942691 counting only the distinct ones).

The product of its digits is 12600, while the sum is 34.

The square root of 79541512 is about 8918.6048236257. The cubic root of 79541512 is about 430.0622084146.

The spelling of 79541512 in words is "seventy-nine million, five hundred forty-one thousand, five hundred twelve".