79685841 has 16 divisors (see below), whose sum is σ = 110071808. Its totient is φ = 51224400.

The previous prime is 79685819. The next prime is 79685843. The reversal of 79685841 is 14858697.

It is not a de Polignac number, because 79685841 - 2²¹ = 77588689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79685843) 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, 27156 + ... + 29946.

It is an arithmetic number, because the mean of its divisors is an integer number (6879488).

Almost surely, 2^79685841 is an apocalyptic number.

It is an amenable number.

79685841 is a deficient number, since it is larger than the sum of its proper divisors (30385967).

79685841 is a wasteful number, since it uses less digits than its factorization.

79685841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132.

The product of its digits is 483840, while the sum is 48.

The square root of 79685841 is about 8926.6926126085. The cubic root of 79685841 is about 430.3221688730.

The spelling of 79685841 in words is "seventy-nine million, six hundred eighty-five thousand, eight hundred forty-one".