79598878 has 4 divisors (see below), whose sum is σ = 119398320. Its totient is φ = 39799438.

The previous prime is 79598867. The next prime is 79598887. The reversal of 79598878 is 87889597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87889597 = 7043 ⋅12479.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19899718 + ... + 19899721.

It is an arithmetic number, because the mean of its divisors is an integer number (29849580).

Almost surely, 2^79598878 is an apocalyptic number.

79598878 is a deficient number, since it is larger than the sum of its proper divisors (39799442).

79598878 is a wasteful number, since it uses less digits than its factorization.

79598878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39799441.

The product of its digits is 10160640, while the sum is 61.

The square root of 79598878 is about 8921.8203299551. The cubic root of 79598878 is about 430.1655717170.

The spelling of 79598878 in words is "seventy-nine million, five hundred ninety-eight thousand, eight hundred seventy-eight".