79816425210 has 48 divisors (see below), whose sum is σ = 208045525896. Its totient is φ = 21230757504.

The previous prime is 79816425173. The next prime is 79816425223. The reversal of 79816425210 is 1252461897.

79816425210 is a `hidden beast` number, since 7 + 9 + 8 + 1 + 6 + 425 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 70750148121 + 9066277089 = 265989^2 + 95217^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1081209 + ... + 1152668.

Almost surely, 2^79816425210 is an apocalyptic number.

79816425210 is an abundant number, since it is smaller than the sum of its proper divisors (128229100686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79816425210 is a wasteful number, since it uses less digits than its factorization.

79816425210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234287 (or 2234284 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 79816425210 in words is "seventy-nine billion, eight hundred sixteen million, four hundred twenty-five thousand, two hundred ten".