68494899 has 8 divisors (see below), whose sum is σ = 99628992. Its totient is φ = 41512040.

The previous prime is 68494879. The next prime is 68494927. The reversal of 68494899 is 99849486.

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

It is a cyclic number.

It is not a de Polignac number, because 68494899 - 2¹³ = 68486707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68494879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037769 + ... + 1037834.

It is an arithmetic number, because the mean of its divisors is an integer number (12453624).

Almost surely, 2^68494899 is an apocalyptic number.

68494899 is a deficient number, since it is larger than the sum of its proper divisors (31134093).

68494899 is a wasteful number, since it uses less digits than its factorization.

68494899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075617.

The product of its digits is 4478976, while the sum is 57.

The square root of 68494899 is about 8276.1645102064. The cubic root of 68494899 is about 409.1533171815.

The spelling of 68494899 in words is "sixty-eight million, four hundred ninety-four thousand, eight hundred ninety-nine".