68711602475 has 24 divisors (see below), whose sum is σ = 85852338432. Its totient is φ = 54550692000.

The previous prime is 68711602457. The next prime is 68711602481. The reversal of 68711602475 is 57420611786.

It is a de Polignac number, because none of the positive numbers 2^k-68711602475 is a prime.

It is a super-2 number, since 2×68711602475² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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, 4004264 + ... + 4021386.

It is an arithmetic number, because the mean of its divisors is an integer number (3577180768).

Almost surely, 2^68711602475 is an apocalyptic number.

68711602475 is a deficient number, since it is larger than the sum of its proper divisors (17140735957).

68711602475 is a wasteful number, since it uses less digits than its factorization.

68711602475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18347 (or 18342 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 68711602475 in words is "sixty-eight billion, seven hundred eleven million, six hundred two thousand, four hundred seventy-five".