97838807442128 has 80 divisors (see below), whose sum is σ = 210338994692736. Its totient is φ = 43850961285120.

The previous prime is 97838807442113. The next prime is 97838807442143. The reversal of 97838807442128 is 82124470883879.

97838807442128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (97838807442113) and next prime (97838807442143).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32102858 + ... + 35018153.

Almost surely, 2^{97838807442128} is an apocalyptic number.

It is an amenable number.

97838807442128 is an abundant number, since it is smaller than the sum of its proper divisors (112500187250608).

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

97838807442128 is a wasteful number, since it uses less digits than its factorization.

97838807442128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67121292 (or 67121286 counting only the distinct ones).

The product of its (nonzero) digits is 346816512, while the sum is 71.

The spelling of 97838807442128 in words is "ninety-seven trillion, eight hundred thirty-eight billion, eight hundred seven million, four hundred forty-two thousand, one hundred twenty-eight".