79766475 has 12 divisors (see below), whose sum is σ = 131880696. Its totient is φ = 42542080.

The previous prime is 79766471. The next prime is 79766509. The reversal of 79766475 is 57466797.

It is not a de Polignac number, because 79766475 - 2² = 79766471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79766471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 531702 + ... + 531851.

It is an arithmetic number, because the mean of its divisors is an integer number (10990058).

Almost surely, 2^79766475 is an apocalyptic number.

79766475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

79766475 is a deficient number, since it is larger than the sum of its proper divisors (52114221).

79766475 is a wasteful number, since it uses less digits than its factorization.

79766475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063566 (or 1063561 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 51.

The square root of 79766475 is about 8931.2079250234. The cubic root of 79766475 is about 430.4672674254.

The spelling of 79766475 in words is "seventy-nine million, seven hundred sixty-six thousand, four hundred seventy-five".