79100613 has 6 divisors (see below), whose sum is σ = 114256454. Its totient is φ = 52733736.

The previous prime is 79100599. The next prime is 79100621. The reversal of 79100613 is 31600197.

It can be written as a sum of positive squares in only one way, i.e., 65901924 + 13198689 = 8118^2 + 3633^2 .

It is not a de Polignac number, because 79100613 - 2⁴ = 79100597 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 (79100653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4394470 + ... + 4394487.

Almost surely, 2^79100613 is an apocalyptic number.

It is an amenable number.

79100613 is a deficient number, since it is larger than the sum of its proper divisors (35155841).

79100613 is a wasteful number, since it uses less digits than its factorization.

79100613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8788963 (or 8788960 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 79100613 is about 8893.8525398165. The cubic root of 79100613 is about 429.2661233705.

The spelling of 79100613 in words is "seventy-nine million, one hundred thousand, six hundred thirteen".