68099883 has 4 divisors (see below), whose sum is σ = 90799848. Its totient is φ = 45399920.

The previous prime is 68099873. The next prime is 68099887. The reversal of 68099883 is 38899086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68099883 - 2⁹ = 68099371 is a prime.

It is a super-2 number, since 2×68099883² = 9275188129227378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68099887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11349978 + ... + 11349983.

It is an arithmetic number, because the mean of its divisors is an integer number (22699962).

Almost surely, 2^68099883 is an apocalyptic number.

68099883 is a deficient number, since it is larger than the sum of its proper divisors (22699965).

68099883 is a wasteful number, since it uses less digits than its factorization.

68099883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22699964.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 68099883 is about 8252.2653253516. The cubic root of 68099883 is about 408.3652594594.

The spelling of 68099883 in words is "sixty-eight million, ninety-nine thousand, eight hundred eighty-three".