78913122 has 16 divisors (see below), whose sum is σ = 158344032. Its totient is φ = 26218080.

The previous prime is 78913111. The next prime is 78913129. The reversal of 78913122 is 22131987.

It is not an unprimeable number, because it can be changed into a prime (78913129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19579 + ... + 23262.

It is an arithmetic number, because the mean of its divisors is an integer number (9896502).

Almost surely, 2^78913122 is an apocalyptic number.

78913122 is an abundant number, since it is smaller than the sum of its proper divisors (79430910).

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

78913122 is a wasteful number, since it uses less digits than its factorization.

78913122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43153.

The product of its digits is 6048, while the sum is 33.

The square root of 78913122 is about 8883.3058035846. The cubic root of 78913122 is about 428.9266940235.

The spelling of 78913122 in words is "seventy-eight million, nine hundred thirteen thousand, one hundred twenty-two".