68922818715 has 8 divisors (see below), whose sum is σ = 110276509968. Its totient is φ = 36758836640.

The previous prime is 68922818711. The next prime is 68922818749. The reversal of 68922818715 is 51781822986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68922818715 - 2² = 68922818711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68922818711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2297427276 + ... + 2297427305.

It is an arithmetic number, because the mean of its divisors is an integer number (13784563746).

Almost surely, 2^68922818715 is an apocalyptic number.

68922818715 is a deficient number, since it is larger than the sum of its proper divisors (41353691253).

68922818715 is a wasteful number, since it uses less digits than its factorization.

68922818715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594854589.

The product of its digits is 3870720, while the sum is 57.

The spelling of 68922818715 in words is "sixty-eight billion, nine hundred twenty-two million, eight hundred eighteen thousand, seven hundred fifteen".