679413507835 has 12 divisors (see below), whose sum is σ = 817767440784. Its totient is φ = 541888282320.

The previous prime is 679413507833. The next prime is 679413507881. The reversal of 679413507835 is 538705314976.

It is not a de Polignac number, because 679413507835 - 2¹ = 679413507833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 679413507835.

It is not an unprimeable number, because it can be changed into a prime (679413507833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72319 + ... + 1167928.

It is an arithmetic number, because the mean of its divisors is an integer number (68147286732).

Almost surely, 2^679413507835 is an apocalyptic number.

679413507835 is a deficient number, since it is larger than the sum of its proper divisors (138353932949).

679413507835 is an equidigital number, since it uses as much as digits as its factorization.

679413507835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240914 (or 1240583 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 679413507835 in words is "six hundred seventy-nine billion, four hundred thirteen million, five hundred seven thousand, eight hundred thirty-five".