671087862 has 32 divisors (see below), whose sum is σ = 1492162560. Its totient is φ = 223567560.

The previous prime is 671087849. The next prime is 671087867. The reversal of 671087862 is 268780176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671087867) 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, 161187 + ... + 165297.

It is an arithmetic number, because the mean of its divisors is an integer number (46630080).

Almost surely, 2^671087862 is an apocalyptic number.

671087862 is an abundant number, since it is smaller than the sum of its proper divisors (821074698).

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

671087862 is a wasteful number, since it uses less digits than its factorization.

671087862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145 (or 7139 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 671087862 is about 25905.3635759084. The cubic root of 671087862 is about 875.5073463700.

The spelling of 671087862 in words is "six hundred seventy-one million, eighty-seven thousand, eight hundred sixty-two".