79147061 has 16 divisors (see below), whose sum is σ = 96599040. Its totient is φ = 63383040.

The previous prime is 79147039. The next prime is 79147067. The reversal of 79147061 is 16074197.

It is a de Polignac number, because none of the positive numbers 2^k-79147061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79147067) 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, 5 + ... + 12581.

It is an arithmetic number, because the mean of its divisors is an integer number (6037440).

Almost surely, 2^79147061 is an apocalyptic number.

It is an amenable number.

79147061 is a deficient number, since it is larger than the sum of its proper divisors (17451979).

79147061 is a wasteful number, since it uses less digits than its factorization.

79147061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12644.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 79147061 is about 8896.4633984522. The cubic root of 79147061 is about 429.3501288363.

The spelling of 79147061 in words is "seventy-nine million, one hundred forty-seven thousand, sixty-one".