79366397 has 4 divisors (see below), whose sum is σ = 86581536. Its totient is φ = 72151260.

The previous prime is 79366367. The next prime is 79366411.

79366397 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79366397 - 2⁶ = 79366333 is a prime.

It is a super-3 number, since 3×79366397³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79366367) 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, 3607553 + ... + 3607574.

It is an arithmetic number, because the mean of its divisors is an integer number (21645384).

Almost surely, 2^79366397 is an apocalyptic number.

It is an amenable number.

79366397 is a deficient number, since it is larger than the sum of its proper divisors (7215139).

79366397 is a wasteful number, since it uses less digits than its factorization.

79366397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215138.

The product of its digits is 1285956, while the sum is 50.

The square root of 79366397 is about 8908.7820155170. The cubic root of 79366397 is about 429.7463746819.

The spelling of 79366397 in words is "seventy-nine million, three hundred sixty-six thousand, three hundred ninety-seven".