97128882027 has 32 divisors (see below), whose sum is σ = 145537378560. Its totient is φ = 64015842240.

The previous prime is 97128881989. The next prime is 97128882029. The reversal of 97128882027 is 72028882179.

It is not a de Polignac number, because 97128882027 - 2⁶ = 97128881963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97128882029) 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, 1384263 + ... + 1452735.

It is an arithmetic number, because the mean of its divisors is an integer number (4548043080).

Almost surely, 2^97128882027 is an apocalyptic number.

97128882027 is a deficient number, since it is larger than the sum of its proper divisors (48408496533).

97128882027 is a wasteful number, since it uses less digits than its factorization.

97128882027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69080 (or 69074 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The spelling of 97128882027 in words is "ninety-seven billion, one hundred twenty-eight million, eight hundred eighty-two thousand, twenty-seven".