679765632 has 256 divisors, whose sum is σ = 2273376000. Its totient is φ = 178827264.

The previous prime is 679765627. The next prime is 679765633. The reversal of 679765632 is 236567976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679765633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1712058 + ... + 1712454.

It is an arithmetic number, because the mean of its divisors is an integer number (8880375).

Almost surely, 2^679765632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679765632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136688000).

679765632 is an abundant number, since it is smaller than the sum of its proper divisors (1593610368).

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

679765632 is a wasteful number, since it uses less digits than its factorization.

679765632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 422 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 51.

The square root of 679765632 is about 26072.3154322741. The cubic root of 679765632 is about 879.2648957467.

The spelling of 679765632 in words is "six hundred seventy-nine million, seven hundred sixty-five thousand, six hundred thirty-two".