79622478 has 24 divisors (see below), whose sum is σ = 185786328. Its totient is φ = 24499152.

The previous prime is 79622449. The next prime is 79622479. The reversal of 79622478 is 87422697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79622479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169900 + ... + 170367.

It is an arithmetic number, because the mean of its divisors is an integer number (7741097).

Almost surely, 2^79622478 is an apocalyptic number.

79622478 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

79622478 is an abundant number, since it is smaller than the sum of its proper divisors (106163850).

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

79622478 is a wasteful number, since it uses less digits than its factorization.

79622478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340288 (or 340285 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 79622478 is about 8923.1428319847. The cubic root of 79622478 is about 430.2080802909.

It can be divided in two parts, 7962 and 2478, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 79622478 in words is "seventy-nine million, six hundred twenty-two thousand, four hundred seventy-eight".