672265563839 has 16 divisors (see below), whose sum is σ = 718075069920. Its totient is φ = 627174712320.

The previous prime is 672265563821. The next prime is 672265563917. The reversal of 672265563839 is 938365562276.

It is a cyclic number.

It is not a de Polignac number, because 672265563839 - 2³⁶ = 603546087103 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 (672265563439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599549 + ... + 1305369.

It is an arithmetic number, because the mean of its divisors is an integer number (44879691870).

Almost surely, 2^672265563839 is an apocalyptic number.

672265563839 is a deficient number, since it is larger than the sum of its proper divisors (45809506081).

672265563839 is a wasteful number, since it uses less digits than its factorization.

672265563839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706330.

The product of its digits is 97977600, while the sum is 62.

The spelling of 672265563839 in words is "six hundred seventy-two billion, two hundred sixty-five million, five hundred sixty-three thousand, eight hundred thirty-nine".