79429825 has 6 divisors (see below), whose sum is σ = 98493014. Its totient is φ = 63543840.

The previous prime is 79429813. The next prime is 79429837. The reversal of 79429825 is 52892497.

It is an interprime number because it is at equal distance from previous prime (79429813) and next prime (79429837).

It can be written as a sum of positive squares in 3 ways, for example, as 859329 + 78570496 = 927^2 + 8864^2 .

It is not a de Polignac number, because 79429825 - 2⁵ = 79429793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1588572 + ... + 1588621.

Almost surely, 2^79429825 is an apocalyptic number.

It is an amenable number.

79429825 is a deficient number, since it is larger than the sum of its proper divisors (19063189).

79429825 is a wasteful number, since it uses less digits than its factorization.

79429825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177203 (or 3177198 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 79429825 is about 8912.3411626800. The cubic root of 79429825 is about 429.8608257005.

The spelling of 79429825 in words is "seventy-nine million, four hundred twenty-nine thousand, eight hundred twenty-five".