672277788900 has 54 divisors (see below), whose sum is σ = 2107217383362. Its totient is φ = 179274076800.

The previous prime is 672277788887. The next prime is 672277788901. The reversal of 672277788900 is 9887772276.

It can be written as a sum of positive squares in 3 ways, for example, as 189789179904 + 482488608996 = 435648^2 + 694614^2 .

It is not an unprimeable number, because it can be changed into a prime (672277788901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 373486761 + ... + 373488560.

Almost surely, 2^672277788900 is an apocalyptic number.

672277788900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

672277788900 is an abundant number, since it is smaller than the sum of its proper divisors (1434939594462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672277788900 is a wasteful number, since it uses less digits than its factorization.

672277788900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746975341 (or 746975331 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 63.

The spelling of 672277788900 in words is "six hundred seventy-two billion, two hundred seventy-seven million, seven hundred eighty-eight thousand, nine hundred".