79912461 has 16 divisors (see below), whose sum is σ = 118756800. Its totient is φ = 47501568.

The previous prime is 79912457. The next prime is 79912463. The reversal of 79912461 is 16421997.

It is not a de Polignac number, because 79912461 - 2² = 79912457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79912463) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 40266 + ... + 42203.

It is an arithmetic number, because the mean of its divisors is an integer number (7422300).

Almost surely, 2^79912461 is an apocalyptic number.

It is an amenable number.

79912461 is a deficient number, since it is larger than the sum of its proper divisors (38844339).

79912461 is a wasteful number, since it uses less digits than its factorization.

79912461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82508.

The product of its digits is 27216, while the sum is 39.

The square root of 79912461 is about 8939.3769917148. The cubic root of 79912461 is about 430.7297164312.

The spelling of 79912461 in words is "seventy-nine million, nine hundred twelve thousand, four hundred sixty-one".