235716172485868 has 24 divisors (see below), whose sum is σ = 431061148869120. Its totient is φ = 112570675686480.

The previous prime is 235716172485803. The next prime is 235716172485869. The reversal of 235716172485868 is 868584271617532.

It is a super-2 number, since 2×235716172485868² (a number of 30 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 235716172485868.

It is not an unprimeable number, because it can be changed into a prime (235716172485869) 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, 1853867188 + ... + 1853994331.

It is an arithmetic number, because the mean of its divisors is an integer number (17960881202880).

Almost surely, 2^{235716172485868} is an apocalyptic number.

It is an amenable number.

235716172485868 is a deficient number, since it is larger than the sum of its proper divisors (195344976383252).

235716172485868 is a wasteful number, since it uses less digits than its factorization.

235716172485868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707862237 (or 3707862235 counting only the distinct ones).

The product of its digits is 1083801600, while the sum is 73.

The spelling of 235716172485868 in words is "two hundred thirty-five trillion, seven hundred sixteen billion, one hundred seventy-two million, four hundred eighty-five thousand, eight hundred sixty-eight".