79840488 has 128 divisors (see below), whose sum is σ = 248371200. Its totient is φ = 20825856.

The previous prime is 79840463. The next prime is 79840493. The reversal of 79840488 is 88404897.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303445 + ... + 303707.

It is an arithmetic number, because the mean of its divisors is an integer number (1940400).

Almost surely, 2^79840488 is an apocalyptic number.

79840488 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79840488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124185600).

79840488 is an abundant number, since it is smaller than the sum of its proper divisors (168530712).

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

79840488 is a wasteful number, since it uses less digits than its factorization.

79840488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 79840488 is about 8935.3504687841. The cubic root of 79840488 is about 430.6003656345.

The spelling of 79840488 in words is "seventy-nine million, eight hundred forty thousand, four hundred eighty-eight".