97942535793 has 6 divisors (see below), whose sum is σ = 141472551714. Its totient is φ = 65295023856.

The previous prime is 97942535773. The next prime is 97942535843. The reversal of 97942535793 is 39753524979.

97942535793 is a `hidden beast` number, since 9 + 7 + 9 + 4 + 2 + 53 + 579 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 97454479329 + 488056464 = 312177^2 + 22092^2 .

It is not a de Polignac number, because 97942535793 - 2⁹ = 97942535281 is a prime.

It is a super-2 number, since 2×97942535793² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97942535793.

It is not an unprimeable number, because it can be changed into a prime (97942535753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5441251980 + ... + 5441251997.

It is an arithmetic number, because the mean of its divisors is an integer number (23578758619).

Almost surely, 2^97942535793 is an apocalyptic number.

It is an amenable number.

97942535793 is a deficient number, since it is larger than the sum of its proper divisors (43530015921).

97942535793 is a wasteful number, since it uses less digits than its factorization.

97942535793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10882503983 (or 10882503980 counting only the distinct ones).

The product of its digits is 64297800, while the sum is 63.

The spelling of 97942535793 in words is "ninety-seven billion, nine hundred forty-two million, five hundred thirty-five thousand, seven hundred ninety-three".