679563701 has 4 divisors (see below), whose sum is σ = 695367552. Its totient is φ = 663759852.

The previous prime is 679563697. The next prime is 679563713. The reversal of 679563701 is 107365976.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 679563701 - 2² = 679563697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679563751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7901861 + ... + 7901946.

It is an arithmetic number, because the mean of its divisors is an integer number (173841888).

Almost surely, 2^679563701 is an apocalyptic number.

It is an amenable number.

679563701 is a deficient number, since it is larger than the sum of its proper divisors (15803851).

679563701 is a wasteful number, since it uses less digits than its factorization.

679563701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15803850.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 679563701 is about 26068.4426270539. The cubic root of 679563701 is about 879.1778223911.

The spelling of 679563701 in words is "six hundred seventy-nine million, five hundred sixty-three thousand, seven hundred one".