68892089 has 12 divisors (see below), whose sum is σ = 80679168. Its totient is φ = 58653000.

The previous prime is 68892073. The next prime is 68892097. The reversal of 68892089 is 98029886.

It is not a de Polignac number, because 68892089 - 2⁴ = 68892073 is a prime.

It is a super-2 number, since 2×68892089² = 9492239853567842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68802089) 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, 2744 + ... + 12054.

It is an arithmetic number, because the mean of its divisors is an integer number (6723264).

Almost surely, 2^68892089 is an apocalyptic number.

It is an amenable number.

68892089 is a deficient number, since it is larger than the sum of its proper divisors (11787079).

68892089 is a wasteful number, since it uses less digits than its factorization.

68892089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9476 (or 9469 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 68892089 is about 8300.1258424195. The cubic root of 68892089 is about 409.9426630112.

The spelling of 68892089 in words is "sixty-eight million, eight hundred ninety-two thousand, eighty-nine".