672446787057 has 12 divisors (see below), whose sum is σ = 978960153600. Its totient is φ = 444767952888.

The previous prime is 672446787041. The next prime is 672446787073. The reversal of 672446787057 is 750787644276.

672446787057 is a `hidden beast` number, since 6 + 7 + 2 + 446 + 78 + 70 + 57 = 666.

It is an interprime number because it is at equal distance from previous prime (672446787041) and next prime (672446787073).

It is not a de Polignac number, because 672446787057 - 2⁴ = 672446787041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672446786985 and 672446787003.

It is not an unprimeable number, because it can be changed into a prime (672446785057) 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, 294157557 + ... + 294159842.

It is an arithmetic number, because the mean of its divisors is an integer number (81580012800).

Almost surely, 2^672446787057 is an apocalyptic number.

It is an amenable number.

672446787057 is a deficient number, since it is larger than the sum of its proper divisors (306513366543).

672446787057 is a wasteful number, since it uses less digits than its factorization.

672446787057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588317532 (or 588317529 counting only the distinct ones).

The product of its (nonzero) digits is 110638080, while the sum is 63.

The spelling of 672446787057 in words is "six hundred seventy-two billion, four hundred forty-six million, seven hundred eighty-seven thousand, fifty-seven".