671132772702 has 48 divisors (see below), whose sum is σ = 1695767954400. Its totient is φ = 191752219008.

The previous prime is 671132772683. The next prime is 671132772703. The reversal of 671132772702 is 207277231176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671132772703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54345363 + ... + 54357710.

It is an arithmetic number, because the mean of its divisors is an integer number (35328499050).

Almost surely, 2^671132772702 is an apocalyptic number.

671132772702 is an abundant number, since it is smaller than the sum of its proper divisors (1024635181698).

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

671132772702 is a wasteful number, since it uses less digits than its factorization.

671132772702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108703102 (or 108703085 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The spelling of 671132772702 in words is "six hundred seventy-one billion, one hundred thirty-two million, seven hundred seventy-two thousand, seven hundred two".