671021308088 has 128 divisors (see below), whose sum is σ = 1409909760000. Its totient is φ = 298069632000.

The previous prime is 671021308081. The next prime is 671021308121. The reversal of 671021308088 is 880803120176.

It is a super-2 number, since 2×671021308088² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671021308081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28773953 + ... + 28797263.

It is an arithmetic number, because the mean of its divisors is an integer number (11014920000).

Almost surely, 2^671021308088 is an apocalyptic number.

It is an amenable number.

671021308088 is an abundant number, since it is smaller than the sum of its proper divisors (738888451912).

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

671021308088 is a wasteful number, since it uses less digits than its factorization.

671021308088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23557 (or 23553 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 671021308088 in words is "six hundred seventy-one billion, twenty-one million, three hundred eight thousand, eighty-eight".