68995899 has 12 divisors (see below), whose sum is σ = 113898096. Its totient is φ = 39426192.

The previous prime is 68995873. The next prime is 68995903. The reversal of 68995899 is 99859986.

It is not a de Polignac number, because 68995899 - 2⁵ = 68995867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 1095173 = 68995899 / (6 + 8 + 9 + 9 + 5 + 8 + 9 + 9).

It is not an unprimeable number, because it can be changed into a prime (68995499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547524 + ... + 547649.

It is an arithmetic number, because the mean of its divisors is an integer number (9491508).

Almost surely, 2^68995899 is an apocalyptic number.

68995899 is a deficient number, since it is larger than the sum of its proper divisors (44902197).

68995899 is a wasteful number, since it uses less digits than its factorization.

68995899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095186 (or 1095183 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 63.

The square root of 68995899 is about 8306.3770080583. The cubic root of 68995899 is about 410.1484669533.

The spelling of 68995899 in words is "sixty-eight million, nine hundred ninety-five thousand, eight hundred ninety-nine".