97698976636 has 12 divisors (see below), whose sum is σ = 172571090328. Its totient is φ = 48392950832.

The previous prime is 97698976561. The next prime is 97698976649. The reversal of 97698976636 is 63667989679.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114133891 + ... + 114134746.

It is an arithmetic number, because the mean of its divisors is an integer number (14380924194).

Almost surely, 2^97698976636 is an apocalyptic number.

It is an amenable number.

97698976636 is a deficient number, since it is larger than the sum of its proper divisors (74872113692).

97698976636 is a wasteful number, since it uses less digits than its factorization.

97698976636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228268748 (or 228268746 counting only the distinct ones).

The product of its digits is 1111065984, while the sum is 76.

The spelling of 97698976636 in words is "ninety-seven billion, six hundred ninety-eight million, nine hundred seventy-six thousand, six hundred thirty-six".