79339697 has 4 divisors (see below), whose sum is σ = 84006756. Its totient is φ = 74672640.

The previous prime is 79339693. The next prime is 79339709. The reversal of 79339697 is 79693397.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41011216 + 38328481 = 6404^2 + 6191^2 .

It is a cyclic number.

It is not a de Polignac number, because 79339697 - 2² = 79339693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79339693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333504 + ... + 2333537.

It is an arithmetic number, because the mean of its divisors is an integer number (21001689).

Almost surely, 2^79339697 is an apocalyptic number.

It is an amenable number.

79339697 is a deficient number, since it is larger than the sum of its proper divisors (4667059).

79339697 is a wasteful number, since it uses less digits than its factorization.

79339697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667058.

The product of its digits is 1928934, while the sum is 53.

The square root of 79339697 is about 8907.2833681207. The cubic root of 79339697 is about 429.6981783184.

The spelling of 79339697 in words is "seventy-nine million, three hundred thirty-nine thousand, six hundred ninety-seven".