68977295863 has 16 divisors (see below), whose sum is σ = 79054859520. Its totient is φ = 58955829696.

The previous prime is 68977295819. The next prime is 68977295869. The reversal of 68977295863 is 36859277986.

It is a cyclic number.

It is not a de Polignac number, because 68977295863 - 2⁹ = 68977295351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68977295792 and 68977295801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68977295869) 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, 5285995 + ... + 5299027.

It is an arithmetic number, because the mean of its divisors is an integer number (4940928720).

Almost surely, 2^68977295863 is an apocalyptic number.

68977295863 is a deficient number, since it is larger than the sum of its proper divisors (10077563657).

68977295863 is a wasteful number, since it uses less digits than its factorization.

68977295863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15126.

The product of its digits is 274337280, while the sum is 70.

The spelling of 68977295863 in words is "sixty-eight billion, nine hundred seventy-seven million, two hundred ninety-five thousand, eight hundred sixty-three".