68899356 has 48 divisors (see below), whose sum is σ = 179092480. Its totient is φ = 22906800.

The previous prime is 68899349. The next prime is 68899367. The reversal of 68899356 is 65399886.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 65031 + ... + 66081.

Almost surely, 2^68899356 is an apocalyptic number.

It is an amenable number.

68899356 is an abundant number, since it is smaller than the sum of its proper divisors (110193124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68899356 is a wasteful number, since it uses less digits than its factorization.

68899356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1663 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 68899356 is about 8300.5635953229. The cubic root of 68899356 is about 409.9570766090.

The spelling of 68899356 in words is "sixty-eight million, eight hundred ninety-nine thousand, three hundred fifty-six".