679667284605 has 16 divisors (see below), whose sum is σ = 1095291167040. Its totient is φ = 359881381248.

The previous prime is 679667284573. The next prime is 679667284697. The reversal of 679667284605 is 506482766976.

It is not a de Polignac number, because 679667284605 - 2⁵ = 679667284573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162987672 + ... + 162991841.

It is an arithmetic number, because the mean of its divisors is an integer number (68455697940).

Almost surely, 2^679667284605 is an apocalyptic number.

It is an amenable number.

679667284605 is a deficient number, since it is larger than the sum of its proper divisors (415623882435).

679667284605 is a wasteful number, since it uses less digits than its factorization.

679667284605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325979660.

The product of its (nonzero) digits is 182891520, while the sum is 66.

The spelling of 679667284605 in words is "six hundred seventy-nine billion, six hundred sixty-seven million, two hundred eighty-four thousand, six hundred five".