79442850 has 24 divisors (see below), whose sum is σ = 197018640. Its totient is φ = 21184720.

The previous prime is 79442833. The next prime is 79442879. The reversal of 79442850 is 5824497.

It is a super-2 number, since 2×79442850² = 12622332832245000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79442799 and 79442808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264660 + ... + 264959.

It is an arithmetic number, because the mean of its divisors is an integer number (8209110).

Almost surely, 2^79442850 is an apocalyptic number.

79442850 is an abundant number, since it is smaller than the sum of its proper divisors (117575790).

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

79442850 is a wasteful number, since it uses less digits than its factorization.

79442850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529634 (or 529629 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 79442850 is about 8913.0718610365. The cubic root of 79442850 is about 429.8843207845.

The spelling of 79442850 in words is "seventy-nine million, four hundred forty-two thousand, eight hundred fifty".