68375762477 has 16 divisors (see below), whose sum is σ = 77187859200. Its totient is φ = 59997685440.

The previous prime is 68375762453. The next prime is 68375762491. The reversal of 68375762477 is 77426757386.

It is a happy number.

It is not a de Polignac number, because 68375762477 - 2³⁴ = 51195893293 is a prime.

It is a super-2 number, since 2×68375762477² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68375762417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1049468 + ... + 1112714.

It is an arithmetic number, because the mean of its divisors is an integer number (4824241200).

Almost surely, 2^68375762477 is an apocalyptic number.

It is an amenable number.

68375762477 is a deficient number, since it is larger than the sum of its proper divisors (8812096723).

68375762477 is a wasteful number, since it uses less digits than its factorization.

68375762477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66676.

The product of its digits is 82978560, while the sum is 62.

The spelling of 68375762477 in words is "sixty-eight billion, three hundred seventy-five million, seven hundred sixty-two thousand, four hundred seventy-seven".