68825694507 has 4 divisors (see below), whose sum is σ = 91767592680. Its totient is φ = 45883796336.

The previous prime is 68825694503. The next prime is 68825694547. The reversal of 68825694507 is 70549652886.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68825694507 - 2² = 68825694503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68825694503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11470949082 + ... + 11470949087.

It is an arithmetic number, because the mean of its divisors is an integer number (22941898170).

Almost surely, 2^68825694507 is an apocalyptic number.

68825694507 is a deficient number, since it is larger than the sum of its proper divisors (22941898173).

68825694507 is a wasteful number, since it uses less digits than its factorization.

68825694507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22941898172.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 68825694507 in words is "sixty-eight billion, eight hundred twenty-five million, six hundred ninety-four thousand, five hundred seven".