397958813088 has 24 divisors (see below), whose sum is σ = 1044641884608. Its totient is φ = 132652937664.

The previous prime is 397958813081. The next prime is 397958813183. The reversal of 397958813088 is 880318859793.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (397958813081) 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, 2072702056 + ... + 2072702247.

It is an arithmetic number, because the mean of its divisors is an integer number (43526745192).

Almost surely, 2^397958813088 is an apocalyptic number.

It is an amenable number.

397958813088 is an abundant number, since it is smaller than the sum of its proper divisors (646683071520).

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

397958813088 is a wasteful number, since it uses less digits than its factorization.

397958813088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145404316 (or 4145404308 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 69.

The spelling of 397958813088 in words is "three hundred ninety-seven billion, nine hundred fifty-eight million, eight hundred thirteen thousand, eighty-eight".