79898688 has 168 divisors, whose sum is σ = 246936768. Its totient is φ = 24634368.

The previous prime is 79898671. The next prime is 79898701. The reversal of 79898688 is 88689897.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490095 + ... + 490257.

Almost surely, 2^79898688 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 79898688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123468384).

79898688 is an abundant number, since it is smaller than the sum of its proper divisors (167038080).

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

79898688 is a wasteful number, since it uses less digits than its factorization.

79898688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 228 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 63.

The square root of 79898688 is about 8938.6066028213. The cubic root of 79898688 is about 430.7049694303.

The spelling of 79898688 in words is "seventy-nine million, eight hundred ninety-eight thousand, six hundred eighty-eight".