79007860 has 12 divisors (see below), whose sum is σ = 165916548. Its totient is φ = 31603136.

The previous prime is 79007801. The next prime is 79007869. The reversal of 79007860 is 6870097.

It can be written as a sum of positive squares in 2 ways, for example, as 11209104 + 67798756 = 3348^2 + 8234^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79007869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975177 + ... + 1975216.

It is an arithmetic number, because the mean of its divisors is an integer number (13826379).

Almost surely, 2^79007860 is an apocalyptic number.

It is an amenable number.

79007860 is an abundant number, since it is smaller than the sum of its proper divisors (86908688).

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

79007860 is a wasteful number, since it uses less digits than its factorization.

79007860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950402 (or 3950400 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 79007860 is about 8888.6365658632. The cubic root of 79007860 is about 429.0982726129.

The spelling of 79007860 in words is "seventy-nine million, seven thousand, eight hundred sixty".