97481668964 has 36 divisors (see below), whose sum is σ = 180412052688. Its totient is φ = 46081148400.

The previous prime is 97481668829. The next prime is 97481668993. The reversal of 97481668964 is 46986618479.

It is a super-3 number, since 3×97481668964³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97481668894 and 97481668903.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640259 + ... + 777749.

It is an arithmetic number, because the mean of its divisors is an integer number (5011445908).

Almost surely, 2^97481668964 is an apocalyptic number.

It is an amenable number.

97481668964 is a deficient number, since it is larger than the sum of its proper divisors (82930383724).

97481668964 is a wasteful number, since it uses less digits than its factorization.

97481668964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138024 (or 138003 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 68.

The spelling of 97481668964 in words is "ninety-seven billion, four hundred eighty-one million, six hundred sixty-eight thousand, nine hundred sixty-four".