79531896196 has 45 divisors (see below), whose sum is σ = 144449239011. Its totient is φ = 38315550096.

The previous prime is 79531896131. The next prime is 79531896203. The reversal of 79531896196 is 69169813597.

It is a happy number.

The square root of 79531896196 is 282014.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 49589054596 + 29942841600 = 222686^2 + 173040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 772154281 + ... + 772154383.

Almost surely, 2^79531896196 is an apocalyptic number.

79531896196 is the 282014-th square number.

It is an amenable number.

79531896196 is a deficient number, since it is larger than the sum of its proper divisors (64917342815).

79531896196 is an frugal number, since it uses more digits than its factorization.

79531896196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 142 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 64.

Multiplying 79531896196 by its sum of digits (64), we get a square (5090041356544 = 2256112²).

The spelling of 79531896196 in words is "seventy-nine billion, five hundred thirty-one million, eight hundred ninety-six thousand, one hundred ninety-six".