79853140 has 24 divisors (see below), whose sum is σ = 168370272. Its totient is φ = 31812000.

The previous prime is 79853113. The next prime is 79853159. The reversal of 79853140 is 4135897.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 79853140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2934 + ... + 12973.

It is an arithmetic number, because the mean of its divisors is an integer number (7015428).

Almost surely, 2^79853140 is an apocalyptic number.

It is an amenable number.

79853140 is an abundant number, since it is smaller than the sum of its proper divisors (88517132).

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

79853140 is a wasteful number, since it uses less digits than its factorization.

79853140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16167 (or 16165 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 79853140 is about 8936.0584152075. The cubic root of 79853140 is about 430.6231096006.

The spelling of 79853140 in words is "seventy-nine million, eight hundred fifty-three thousand, one hundred forty".