627696385407 has 192 divisors, whose sum is σ = 1164427264000. Its totient is φ = 316951937280.

The previous prime is 627696385387. The next prime is 627696385409. The reversal of 627696385407 is 704583696726.

627696385407 is a `hidden beast` number, since 6 + 27 + 6 + 9 + 63 + 8 + 540 + 7 = 666.

It is not a de Polignac number, because 627696385407 - 2⁷ = 627696385279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627696385409) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1429832094 + ... + 1429832532.

Almost surely, 2^627696385407 is an apocalyptic number.

627696385407 is a deficient number, since it is larger than the sum of its proper divisors (536730878593).

627696385407 is a wasteful number, since it uses less digits than its factorization.

627696385407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 627696385407 in words is "six hundred twenty-seven billion, six hundred ninety-six million, three hundred eighty-five thousand, four hundred seven".