79898312 has 32 divisors (see below), whose sum is σ = 162523200. Its totient is φ = 36604224.

The previous prime is 79898303. The next prime is 79898321. The reversal of 79898312 is 21389897.

It is an interprime number because it is at equal distance from previous prime (79898303) and next prime (79898321).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11693 + ... + 17219.

It is an arithmetic number, because the mean of its divisors is an integer number (5078850).

Almost surely, 2^79898312 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 79898312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81261600).

79898312 is an abundant number, since it is smaller than the sum of its proper divisors (82624888).

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

79898312 is a wasteful number, since it uses less digits than its factorization.

79898312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685 (or 5681 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 79898312 is about 8938.5855704356. The cubic root of 79898312 is about 430.7042938025.

The spelling of 79898312 in words is "seventy-nine million, eight hundred ninety-eight thousand, three hundred twelve".