68399087315 has 8 divisors (see below), whose sum is σ = 88392666768. Its totient is φ = 50510095200.

The previous prime is 68399087311. The next prime is 68399087321. The reversal of 68399087315 is 51378099386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68399087315 - 2² = 68399087311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68399087311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526146761 + ... + 526146890.

It is an arithmetic number, because the mean of its divisors is an integer number (11049083346).

Almost surely, 2^68399087315 is an apocalyptic number.

68399087315 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68399087315 is a deficient number, since it is larger than the sum of its proper divisors (19993579453).

68399087315 is a wasteful number, since it uses less digits than its factorization.

68399087315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052293669.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 68399087315 in words is "sixty-eight billion, three hundred ninety-nine million, eighty-seven thousand, three hundred fifteen".