68861672476 has 12 divisors (see below), whose sum is σ = 120510368440. Its totient is φ = 34430138640.

The previous prime is 68861672461. The next prime is 68861672479. The reversal of 68861672476 is 67427616886.

It is a happy number.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68861672479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93391 + ... + 382681.

Almost surely, 2^68861672476 is an apocalyptic number.

It is an amenable number.

68861672476 is a deficient number, since it is larger than the sum of its proper divisors (51648695964).

68861672476 is a wasteful number, since it uses less digits than its factorization.

68861672476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348804 (or 348802 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 61.

The spelling of 68861672476 in words is "sixty-eight billion, eight hundred sixty-one million, six hundred seventy-two thousand, four hundred seventy-six".