68977295351 has 2 divisors, whose sum is σ = 68977295352. Its totient is φ = 68977295350.

The previous prime is 68977295347. The next prime is 68977295377. The reversal of 68977295351 is 15359277986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68977295351 - 2² = 68977295347 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68977295341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34488647675 + 34488647676.

It is an arithmetic number, because the mean of its divisors is an integer number (34488647676).

Almost surely, 2^68977295351 is an apocalyptic number.

68977295351 is a deficient number, since it is larger than the sum of its proper divisors (1).

68977295351 is an equidigital number, since it uses as much as digits as its factorization.

68977295351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28576800, while the sum is 62.

The spelling of 68977295351 in words is "sixty-eight billion, nine hundred seventy-seven million, two hundred ninety-five thousand, three hundred fifty-one".