68706477124 has 6 divisors (see below), whose sum is σ = 120236334974. Its totient is φ = 34353238560.

The previous prime is 68706477113. The next prime is 68706477139. The reversal of 68706477124 is 42177460786.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 66032553024 + 2673924100 = 256968^2 + 51710^2 .

It is a super-2 number, since 2×68706477124² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8588309637 + ... + 8588309644.

Almost surely, 2^68706477124 is an apocalyptic number.

It is an amenable number.

68706477124 is a deficient number, since it is larger than the sum of its proper divisors (51529857850).

68706477124 is a wasteful number, since it uses less digits than its factorization.

68706477124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17176619285 (or 17176619283 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 68706477124 in words is "sixty-eight billion, seven hundred six million, four hundred seventy-seven thousand, one hundred twenty-four".