79209852 has 24 divisors (see below), whose sum is σ = 188756736. Its totient is φ = 25841328.

The previous prime is 79209847. The next prime is 79209857. The reversal of 79209852 is 25890297.

It is an interprime number because it is at equal distance from previous prime (79209847) and next prime (79209857).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79209857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69658 + ... + 70785.

It is an arithmetic number, because the mean of its divisors is an integer number (7864864).

Almost surely, 2^79209852 is an apocalyptic number.

It is an amenable number.

79209852 is an abundant number, since it is smaller than the sum of its proper divisors (109546884).

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

79209852 is a wasteful number, since it uses less digits than its factorization.

79209852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140497 (or 140495 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 79209852 is about 8899.9916853894. The cubic root of 79209852 is about 429.4636398852.

The spelling of 79209852 in words is "seventy-nine million, two hundred nine thousand, eight hundred fifty-two".