79939701 has 12 divisors (see below), whose sum is σ = 115566828. Its totient is φ = 53247744.

The previous prime is 79939687. The next prime is 79939733. The reversal of 79939701 is 10793997.

It can be written as a sum of positive squares in 2 ways, for example, as 65124900 + 14814801 = 8070^2 + 3849^2 .

It is not a de Polignac number, because 79939701 - 2¹¹ = 79937653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79939771) 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 11 ways as a sum of consecutive naturals, for example, 10021 + ... + 16133.

It is an arithmetic number, because the mean of its divisors is an integer number (9630569).

Almost surely, 2^79939701 is an apocalyptic number.

It is an amenable number.

79939701 is a deficient number, since it is larger than the sum of its proper divisors (35627127).

79939701 is a wasteful number, since it uses less digits than its factorization.

79939701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7572 (or 7569 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 45.

The square root of 79939701 is about 8940.9004580076. The cubic root of 79939701 is about 430.7786522477.

The spelling of 79939701 in words is "seventy-nine million, nine hundred thirty-nine thousand, seven hundred one".