68677929825 has 24 divisors (see below), whose sum is σ = 120226778208. Its totient is φ = 34473626880.

The previous prime is 68677929787. The next prime is 68677929847. The reversal of 68677929825 is 52892977686.

It is not a de Polignac number, because 68677929825 - 2¹⁶ = 68677864289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68677929825.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26931247 + ... + 26933796.

It is an arithmetic number, because the mean of its divisors is an integer number (5009449092).

Almost surely, 2^68677929825 is an apocalyptic number.

It is an amenable number.

68677929825 is a deficient number, since it is larger than the sum of its proper divisors (51548848383).

68677929825 is a wasteful number, since it uses less digits than its factorization.

68677929825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53865073 (or 53865068 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 69.

The spelling of 68677929825 in words is "sixty-eight billion, six hundred seventy-seven million, nine hundred twenty-nine thousand, eight hundred twenty-five".