79878876 has 144 divisors (see below), whose sum is σ = 243102720. Its totient is φ = 19958400.

The previous prime is 79878871. The next prime is 79878881. The reversal of 79878876 is 67887897.

It is an interprime number because it is at equal distance from previous prime (79878871) and next prime (79878881).

Its product of digits (9483264) is a multiple of the sum of its prime factors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79878871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 294621 + ... + 294891.

Almost surely, 2^79878876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79878876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121551360).

79878876 is an abundant number, since it is smaller than the sum of its proper divisors (163223844).

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

79878876 is a wasteful number, since it uses less digits than its factorization.

79878876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 323 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 60.

The square root of 79878876 is about 8937.4983076921. The cubic root of 79878876 is about 430.6693667086.

The spelling of 79878876 in words is "seventy-nine million, eight hundred seventy-eight thousand, eight hundred seventy-six".