679196932648 has 32 divisors (see below), whose sum is σ = 1452129192360. Its totient is φ = 295035770880.

The previous prime is 679196932619. The next prime is 679196932681. The reversal of 679196932648 is 846239691976.

It can be written as a sum of positive squares in 4 ways, for example, as 675851698404 + 3345234244 = 822102^2 + 57838^2 .

It is a super-2 number, since 2×679196932648² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192078813 + ... + 192082348.

Almost surely, 2^679196932648 is an apocalyptic number.

679196932648 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

679196932648 is an abundant number, since it is smaller than the sum of its proper divisors (772932259712).

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

679196932648 is a wasteful number, since it uses less digits than its factorization.

679196932648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384161197 (or 384161193 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 70.

The spelling of 679196932648 in words is "six hundred seventy-nine billion, one hundred ninety-six million, nine hundred thirty-two thousand, six hundred forty-eight".