68880594187475 has 24 divisors (see below), whose sum is σ = 97734301881120. Its totient is φ = 47174023653120.

The previous prime is 68880594187469. The next prime is 68880594187579. The reversal of 68880594187475 is 57478149508886.

It is a de Polignac number, because none of the positive numbers 2^k-68880594187475 is a prime.

It is a super-2 number, since 2×68880594187475² (a number of 28 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 68880594187475.

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, 243123812 + ... + 243406961.

It is an arithmetic number, because the mean of its divisors is an integer number (4072262578380).

Almost surely, 2^{68880594187475} is an apocalyptic number.

68880594187475 is a deficient number, since it is larger than the sum of its proper divisors (28853707693645).

68880594187475 is a wasteful number, since it uses less digits than its factorization.

68880594187475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486531599 (or 486531594 counting only the distinct ones).

The product of its (nonzero) digits is 4335206400, while the sum is 80.

The spelling of 68880594187475 in words is "sixty-eight trillion, eight hundred eighty billion, five hundred ninety-four million, one hundred eighty-seven thousand, four hundred seventy-five".