97385494891775 has 24 divisors (see below), whose sum is σ = 127174607268480. Its totient is φ = 73772587697760.

The previous prime is 97385494891691. The next prime is 97385494891787. The reversal of 97385494891775 is 57719849458379.

It is not a de Polignac number, because 97385494891775 - 2²⁴ = 97385478114559 is a prime.

It is a super-3 number, since 3×97385494891775³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48127529 + ... + 50110178.

It is an arithmetic number, because the mean of its divisors is an integer number (5298941969520).

Almost surely, 2^{97385494891775} is an apocalyptic number.

97385494891775 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

97385494891775 is a deficient number, since it is larger than the sum of its proper divisors (29789112376705).

97385494891775 is a wasteful number, since it uses less digits than its factorization.

97385494891775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98239823 (or 98239818 counting only the distinct ones).

The product of its digits is 19203609600, while the sum is 86.

The spelling of 97385494891775 in words is "ninety-seven trillion, three hundred eighty-five billion, four hundred ninety-four million, eight hundred ninety-one thousand, seven hundred seventy-five".