79369477 has 16 divisors (see below), whose sum is σ = 89478144. Its totient is φ = 69768000.

The previous prime is 79369471. The next prime is 79369501. The reversal of 79369477 is 77496397.

It is a cyclic number.

It is not a de Polignac number, because 79369477 - 2⁷ = 79369349 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 (79369471) 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, 77227 + ... + 78247.

It is an arithmetic number, because the mean of its divisors is an integer number (5592384).

Almost surely, 2^79369477 is an apocalyptic number.

It is an amenable number.

79369477 is a deficient number, since it is larger than the sum of its proper divisors (10108667).

79369477 is a wasteful number, since it uses less digits than its factorization.

79369477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260.

The product of its digits is 2000376, while the sum is 52.

The square root of 79369477 is about 8908.9548769763. The cubic root of 79369477 is about 429.7519337168.

Subtracting from 79369477 its reverse (77496397), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 79369477 in words is "seventy-nine million, three hundred sixty-nine thousand, four hundred seventy-seven".