97750564461 has 24 divisors (see below), whose sum is σ = 155761894080. Its totient is φ = 58577112000.

The previous prime is 97750564367. The next prime is 97750564579. The reversal of 97750564461 is 16446505779.

97750564461 is a `hidden beast` number, since 9 + 7 + 75 + 0 + 564 + 4 + 6 + 1 = 666.

It is not a de Polignac number, because 97750564461 - 2⁷ = 97750564333 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97750564398 and 97750564407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97750564861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5538265 + ... + 5555886.

It is an arithmetic number, because the mean of its divisors is an integer number (6490078920).

Almost surely, 2^97750564461 is an apocalyptic number.

It is an amenable number.

97750564461 is a deficient number, since it is larger than the sum of its proper divisors (58011329619).

97750564461 is a wasteful number, since it uses less digits than its factorization.

97750564461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11094257 (or 11094254 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 97750564461 in words is "ninety-seven billion, seven hundred fifty million, five hundred sixty-four thousand, four hundred sixty-one".