97499759578943 has 8 divisors (see below), whose sum is σ = 97541498515968. Its totient is φ = 97458021804544.

The previous prime is 97499759578933. The next prime is 97499759578957. The reversal of 97499759578943 is 34987595799479.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97499759578943 - 2¹⁶ = 97499759513407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97499759578933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195583655 + ... + 196081527.

It is an arithmetic number, because the mean of its divisors is an integer number (12192687314496).

Almost surely, 2^{97499759578943} is an apocalyptic number.

97499759578943 is a deficient number, since it is larger than the sum of its proper divisors (41738937025).

97499759578943 is a wasteful number, since it uses less digits than its factorization.

97499759578943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581313.

The product of its digits is 194436547200, while the sum is 95.

The spelling of 97499759578943 in words is "ninety-seven trillion, four hundred ninety-nine billion, seven hundred fifty-nine million, five hundred seventy-eight thousand, nine hundred forty-three".