79845475 has 12 divisors (see below), whose sum is σ = 99317800. Its totient is φ = 63676800.

The previous prime is 79845463. The next prime is 79845487. The reversal of 79845475 is 57454897.

It is an interprime number because it is at equal distance from previous prime (79845463) and next prime (79845487).

It is not a de Polignac number, because 79845475 - 2⁷ = 79845347 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3451 + ... + 13099.

Almost surely, 2^79845475 is an apocalyptic number.

79845475 is a deficient number, since it is larger than the sum of its proper divisors (19472325).

79845475 is a wasteful number, since it uses less digits than its factorization.

79845475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9990 (or 9985 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 79845475 is about 8935.6295245495. The cubic root of 79845475 is about 430.6093308407.

The spelling of 79845475 in words is "seventy-nine million, eight hundred forty-five thousand, four hundred seventy-five".