672277944445 has 16 divisors (see below), whose sum is σ = 807880292352. Its totient is φ = 537058304640.

The previous prime is 672277944439. The next prime is 672277944451. The reversal of 672277944445 is 544449772276.

It is an interprime number because it is at equal distance from previous prime (672277944439) and next prime (672277944451).

It is not a de Polignac number, because 672277944445 - 2⁵ = 672277944413 is a prime.

It is a Duffinian number.

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, 12573889 + ... + 12627241.

It is an arithmetic number, because the mean of its divisors is an integer number (50492518272).

Almost surely, 2^672277944445 is an apocalyptic number.

It is an amenable number.

672277944445 is a deficient number, since it is larger than the sum of its proper divisors (135602347907).

672277944445 is a wasteful number, since it uses less digits than its factorization.

672277944445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56892.

The product of its digits is 94832640, while the sum is 61.

The spelling of 672277944445 in words is "six hundred seventy-two billion, two hundred seventy-seven million, nine hundred forty-four thousand, four hundred forty-five".