79855710 has 64 divisors (see below), whose sum is σ = 212557824. Its totient is φ = 19036800.

The previous prime is 79855709. The next prime is 79855717. The reversal of 79855710 is 1755897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79855717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18147 + ... + 22113.

It is an arithmetic number, because the mean of its divisors is an integer number (3321216).

Almost surely, 2^79855710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79855710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106278912).

79855710 is an abundant number, since it is smaller than the sum of its proper divisors (132702114).

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

79855710 is a wasteful number, since it uses less digits than its factorization.

79855710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049.

The product of its (nonzero) digits is 88200, while the sum is 42.

The square root of 79855710 is about 8936.2022134685. The cubic root of 79855710 is about 430.6277292876.

It can be divided in two parts, 7985 and 5710, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 79855710 in words is "seventy-nine million, eight hundred fifty-five thousand, seven hundred ten".