671157627 has 16 divisors (see below), whose sum is σ = 1040052480. Its totient is φ = 377017632.

The previous prime is 671157623. The next prime is 671157629. The reversal of 671157627 is 726751176.

It is not a de Polignac number, because 671157627 - 2² = 671157623 is a prime.

It is a super-2 number, since 2×671157627² = 900905120560542258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671157623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269608 + ... + 272085.

It is an arithmetic number, because the mean of its divisors is an integer number (65003280).

Almost surely, 2^671157627 is an apocalyptic number.

671157627 is a deficient number, since it is larger than the sum of its proper divisors (368894853).

671157627 is a wasteful number, since it uses less digits than its factorization.

671157627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541762.

The product of its digits is 123480, while the sum is 42.

The square root of 671157627 is about 25906.7100767349. The cubic root of 671157627 is about 875.5376840038.

The spelling of 671157627 in words is "six hundred seventy-one million, one hundred fifty-seven thousand, six hundred twenty-seven".