97281661274 has 24 divisors (see below), whose sum is σ = 169757905248. Its totient is φ = 41689357080.

The previous prime is 97281661273. The next prime is 97281661297. The reversal of 97281661274 is 47216618279.

It is not an unprimeable number, because it can be changed into a prime (97281661273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2219657 + ... + 2263059.

It is an arithmetic number, because the mean of its divisors is an integer number (7073246052).

Almost surely, 2^97281661274 is an apocalyptic number.

97281661274 is a deficient number, since it is larger than the sum of its proper divisors (72476243974).

97281661274 is a wasteful number, since it uses less digits than its factorization.

97281661274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66290 (or 66283 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The spelling of 97281661274 in words is "ninety-seven billion, two hundred eighty-one million, six hundred sixty-one thousand, two hundred seventy-four".