79275980 has 48 divisors (see below), whose sum is σ = 200282880. Its totient is φ = 25748928.

The previous prime is 79275953. The next prime is 79275983. The reversal of 79275980 is 8957297.

It is not an unprimeable number, because it can be changed into a prime (79275983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12242 + ... + 17561.

It is an arithmetic number, because the mean of its divisors is an integer number (4172560).

Almost surely, 2^79275980 is an apocalyptic number.

79275980 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

79275980 is an abundant number, since it is smaller than the sum of its proper divisors (121006900).

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

79275980 is a wasteful number, since it uses less digits than its factorization.

79275980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29838 (or 29836 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 79275980 is about 8903.7059699880. The cubic root of 79275980 is about 429.5831185924.

The spelling of 79275980 in words is "seventy-nine million, two hundred seventy-five thousand, nine hundred eighty".