627920671 has 4 divisors (see below), whose sum is σ = 717623632. Its totient is φ = 538217712.

The previous prime is 627920659. The next prime is 627920681. The reversal of 627920671 is 176029726.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 627920671 - 2¹⁷ = 627789599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627920681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44851470 + ... + 44851483.

It is an arithmetic number, because the mean of its divisors is an integer number (179405908).

Almost surely, 2^627920671 is an apocalyptic number.

627920671 is a deficient number, since it is larger than the sum of its proper divisors (89702961).

627920671 is an equidigital number, since it uses as much as digits as its factorization.

627920671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89702960.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 627920671 is about 25058.3453364343. The cubic root of 627920671 is about 856.3177114052.

The spelling of 627920671 in words is "six hundred twenty-seven million, nine hundred twenty thousand, six hundred seventy-one".