97663922980 has 48 divisors (see below), whose sum is σ = 221020725744. Its totient is φ = 36036034560.

The previous prime is 97663922959. The next prime is 97663923013. The reversal of 97663922980 is 8922936679.

It can be written as a sum of positive squares in 8 ways, for example, as 14005302336 + 83658620644 = 118344^2 + 289238^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258244 + ... + 511876.

It is an arithmetic number, because the mean of its divisors is an integer number (4604598453).

Almost surely, 2^97663922980 is an apocalyptic number.

It is an amenable number.

97663922980 is an abundant number, since it is smaller than the sum of its proper divisors (123356802764).

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

97663922980 is a wasteful number, since it uses less digits than its factorization.

97663922980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255136 (or 255134 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 97663922980 in words is "ninety-seven billion, six hundred sixty-three million, nine hundred twenty-two thousand, nine hundred eighty".