68976532251 has 12 divisors (see below), whose sum is σ = 108690293400. Its totient is φ = 41803958880.

The previous prime is 68976532217. The next prime is 68976532259. The reversal of 68976532251 is 15223567986.

68976532251 is a `hidden beast` number, since 6 + 89 + 7 + 6 + 532 + 25 + 1 = 666.

It is not a de Polignac number, because 68976532251 - 2¹⁵ = 68976499483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68976532259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348366226 + ... + 348366423.

It is an arithmetic number, because the mean of its divisors is an integer number (9057524450).

Almost surely, 2^68976532251 is an apocalyptic number.

68976532251 is a deficient number, since it is larger than the sum of its proper divisors (39713761149).

68976532251 is a wasteful number, since it uses less digits than its factorization.

68976532251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696732666 (or 696732663 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 68976532251 in words is "sixty-eight billion, nine hundred seventy-six million, five hundred thirty-two thousand, two hundred fifty-one".