671424177 has 4 divisors (see below), whose sum is σ = 895232240. Its totient is φ = 447616116.

The previous prime is 671424139. The next prime is 671424179. The reversal of 671424177 is 771424176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 671424177 - 2⁷ = 671424049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671424179) 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, 111904027 + ... + 111904032.

It is an arithmetic number, because the mean of its divisors is an integer number (223808060).

Almost surely, 2^671424177 is an apocalyptic number.

It is an amenable number.

671424177 is a deficient number, since it is larger than the sum of its proper divisors (223808063).

671424177 is a wasteful number, since it uses less digits than its factorization.

671424177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223808062.

The product of its digits is 65856, while the sum is 39.

The square root of 671424177 is about 25911.8539861585. The cubic root of 671424177 is about 875.6535751508.

Subtracting 671424177 from its reverse (771424176), we obtain a palindrome (99999999).

The spelling of 671424177 in words is "six hundred seventy-one million, four hundred twenty-four thousand, one hundred seventy-seven".