679097957476 has 9 divisors (see below), whose sum is σ = 1188424309849. Its totient is φ = 339548154664.

The previous prime is 679097957449. The next prime is 679097957539. The reversal of 679097957476 is 674759790976.

The square root of 679097957476 is 824074.

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

679097957476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 671498302500 + 7599654976 = 819450^2 + 87176^2 .

It is a super-2 number, since 2×679097957476² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1442130 + ... + 1854166.

Almost surely, 2^679097957476 is an apocalyptic number.

679097957476 is the 824074-th square number.

It is an amenable number.

679097957476 is a deficient number, since it is larger than the sum of its proper divisors (509326352373).

679097957476 is an frugal number, since it uses more digits than its factorization.

679097957476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824078 (or 412039 counting only the distinct ones).

The product of its (nonzero) digits is 1260236880, while the sum is 76.

The spelling of 679097957476 in words is "six hundred seventy-nine billion, ninety-seven million, nine hundred fifty-seven thousand, four hundred seventy-six".