627383879920 has 40 divisors (see below), whose sum is σ = 1667048596704. Its totient is φ = 215103044352.

The previous prime is 627383879911. The next prime is 627383879939. The reversal of 627383879920 is 29978383726.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×627383879920² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560163619 + ... + 560164738.

Almost surely, 2^627383879920 is an apocalyptic number.

It is an amenable number.

627383879920 is an abundant number, since it is smaller than the sum of its proper divisors (1039664716784).

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

627383879920 is a wasteful number, since it uses less digits than its factorization.

627383879920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120328377 (or 1120328371 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 627383879920 in words is "six hundred twenty-seven billion, three hundred eighty-three million, eight hundred seventy-nine thousand, nine hundred twenty".