672277944447 has 24 divisors (see below), whose sum is σ = 976802910720. Its totient is φ = 445540357440.

The previous prime is 672277944439. The next prime is 672277944451. The reversal of 672277944447 is 744449772276.

672277944447 is a `hidden beast` number, since 67 + 2 + 27 + 79 + 44 + 447 = 666.

It is not a de Polignac number, because 672277944447 - 2³ = 672277944439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672277144447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4300329 + ... + 4453917.

It is an arithmetic number, because the mean of its divisors is an integer number (40700121280).

Almost surely, 2^672277944447 is an apocalyptic number.

672277944447 is a deficient number, since it is larger than the sum of its proper divisors (304524966273).

672277944447 is a wasteful number, since it uses less digits than its factorization.

672277944447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156463 (or 156460 counting only the distinct ones).

The product of its digits is 132765696, while the sum is 63.

The spelling of 672277944447 in words is "six hundred seventy-two billion, two hundred seventy-seven million, nine hundred forty-four thousand, four hundred forty-seven".