79387955940 has 48 divisors (see below), whose sum is σ = 222750420480. Its totient is φ = 21125917440.

The previous prime is 79387955929. The next prime is 79387956001. The reversal of 79387955940 is 4955978397.

It is a super-3 number, since 3×79387955940³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1352401 + ... + 1409880.

It is an arithmetic number, because the mean of its divisors is an integer number (4640633760).

Almost surely, 2^79387955940 is an apocalyptic number.

It is an amenable number.

79387955940 is an abundant number, since it is smaller than the sum of its proper divisors (143362464540).

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

79387955940 is a wasteful number, since it uses less digits than its factorization.

79387955940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762772 (or 2762770 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 66.

The spelling of 79387955940 in words is "seventy-nine billion, three hundred eighty-seven million, nine hundred fifty-five thousand, nine hundred forty".