68861245635 has 160 divisors (see below), whose sum is σ = 152614167552. Its totient is φ = 28926408960.

The previous prime is 68861245613. The next prime is 68861245637. The reversal of 68861245635 is 53654216886.

68861245635 is a `hidden beast` number, since 68 + 8 + 6 + 12 + 4 + 563 + 5 = 666.

It is not a de Polignac number, because 68861245635 - 2⁷ = 68861245507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68861245637) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 8361970 + ... + 8370200.

Almost surely, 2^68861245635 is an apocalyptic number.

68861245635 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68861245635 is an abundant number, since it is smaller than the sum of its proper divisors (83752921917).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68861245635 is a wasteful number, since it uses less digits than its factorization.

68861245635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8495 (or 8486 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

It can be divided in two parts, 6886 and 1245635, that added together give a palindrome (1252521).

The spelling of 68861245635 in words is "sixty-eight billion, eight hundred sixty-one million, two hundred forty-five thousand, six hundred thirty-five".