68686292572 has 12 divisors (see below), whose sum is σ = 120206017960. Its totient is φ = 34341716016.

The previous prime is 68686292537. The next prime is 68686292659. The reversal of 68686292572 is 27529268686.

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 self number, because there is not a number n which added to its sum of digits gives 68686292572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245622 + ... + 444637.

Almost surely, 2^68686292572 is an apocalyptic number.

It is an amenable number.

68686292572 is a deficient number, since it is larger than the sum of its proper divisors (51519725388).

68686292572 is a wasteful number, since it uses less digits than its factorization.

68686292572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715140 (or 715138 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 61.

The spelling of 68686292572 in words is "sixty-eight billion, six hundred eighty-six million, two hundred ninety-two thousand, five hundred seventy-two".