671388036770 has 128 divisors (see below), whose sum is σ = 1365132787200. Its totient is φ = 235623168000.

The previous prime is 671388036751. The next prime is 671388036833. The reversal of 671388036770 is 77630883176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 162443624 + ... + 162447756.

It is an arithmetic number, because the mean of its divisors is an integer number (10665099900).

Almost surely, 2^671388036770 is an apocalyptic number.

671388036770 is an abundant number, since it is smaller than the sum of its proper divisors (693744750430).

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

671388036770 is a wasteful number, since it uses less digits than its factorization.

671388036770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 671388036770 in words is "six hundred seventy-one billion, three hundred eighty-eight million, thirty-six thousand, seven hundred seventy".