68763346515 has 24 divisors (see below), whose sum is σ = 119196091248. Its totient is φ = 36671849280.

The previous prime is 68763346501. The next prime is 68763346573. The reversal of 68763346515 is 51564336786.

68763346515 is a `hidden beast` number, since 6 + 87 + 6 + 3 + 3 + 46 + 515 = 666.

It is not a de Polignac number, because 68763346515 - 2²⁰ = 68762297939 is a prime.

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, 1344105 + ... + 1394325.

It is an arithmetic number, because the mean of its divisors is an integer number (4966503802).

Almost surely, 2^68763346515 is an apocalyptic number.

68763346515 is a deficient number, since it is larger than the sum of its proper divisors (50432744733).

68763346515 is a wasteful number, since it uses less digits than its factorization.

68763346515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80659 (or 80656 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 68763346515 in words is "sixty-eight billion, seven hundred sixty-three million, three hundred forty-six thousand, five hundred fifteen".