79681552 has 10 divisors (see below), whose sum is σ = 154383038. Its totient is φ = 39840768.

The previous prime is 79681519. The next prime is 79681583. The reversal of 79681552 is 25518697.

It can be written as a sum of positive squares in only one way, i.e., 46457856 + 33223696 = 6816^2 + 5764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79681499 and 79681508.

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, 2490033 + ... + 2490064.

Almost surely, 2^79681552 is an apocalyptic number.

It is an amenable number.

79681552 is a deficient number, since it is larger than the sum of its proper divisors (74701486).

79681552 is a wasteful number, since it uses less digits than its factorization.

79681552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980105 (or 4980099 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 79681552 is about 8926.4523748239. The cubic root of 79681552 is about 430.3144482003.

The spelling of 79681552 in words is "seventy-nine million, six hundred eighty-one thousand, five hundred fifty-two".