79618437 has 16 divisors (see below), whose sum is σ = 118104000. Its totient is φ = 53011152.

The previous prime is 79618391. The next prime is 79618439. The reversal of 79618437 is 73481697.

It is not a de Polignac number, because 79618437 - 2⁶ = 79618373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79618392 and 79618401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79618439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28614 + ... + 31272.

It is an arithmetic number, because the mean of its divisors is an integer number (7381500).

Almost surely, 2^79618437 is an apocalyptic number.

It is an amenable number.

79618437 is a deficient number, since it is larger than the sum of its proper divisors (38485563).

79618437 is a wasteful number, since it uses less digits than its factorization.

79618437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777 (or 3771 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 79618437 is about 8922.9163954393. The cubic root of 79618437 is about 430.2008021942.

The spelling of 79618437 in words is "seventy-nine million, six hundred eighteen thousand, four hundred thirty-seven".