79122548 has 6 divisors (see below), whose sum is σ = 138464466. Its totient is φ = 39561272.

The previous prime is 79122493. The next prime is 79122577. The reversal of 79122548 is 84522197.

It can be written as a sum of positive squares in only one way, i.e., 69022864 + 10099684 = 8308^2 + 3178^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9890315 + ... + 9890322.

It is an arithmetic number, because the mean of its divisors is an integer number (23077411).

Almost surely, 2^79122548 is an apocalyptic number.

It is an amenable number.

79122548 is a deficient number, since it is larger than the sum of its proper divisors (59341918).

79122548 is a wasteful number, since it uses less digits than its factorization.

79122548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19780641 (or 19780639 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 79122548 is about 8895.0856094812. The cubic root of 79122548 is about 429.3057989256.

The spelling of 79122548 in words is "seventy-nine million, one hundred twenty-two thousand, five hundred forty-eight".