97191946628 has 24 divisors (see below), whose sum is σ = 204614625600. Its totient is φ = 39461391648.

The previous prime is 97191946591. The next prime is 97191946637. The reversal of 97191946628 is 82664919179.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91345283 + ... + 91346346.

It is an arithmetic number, because the mean of its divisors is an integer number (8525609400).

Almost surely, 2^97191946628 is an apocalyptic number.

It is an amenable number.

97191946628 is an abundant number, since it is smaller than the sum of its proper divisors (107422678972).

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

97191946628 is a wasteful number, since it uses less digits than its factorization.

97191946628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182691659 (or 182691657 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 62.

The spelling of 97191946628 in words is "ninety-seven billion, one hundred ninety-one million, nine hundred forty-six thousand, six hundred twenty-eight".