68900897 has 16 divisors (see below), whose sum is σ = 80808000. Its totient is φ = 58169664.

The previous prime is 68900861. The next prime is 68900899. The reversal of 68900897 is 79800986.

It is a cyclic number.

It is not a de Polignac number, because 68900897 - 2⁸ = 68900641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68900899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2354 + ... + 11972.

It is an arithmetic number, because the mean of its divisors is an integer number (5050500).

Almost surely, 2^68900897 is an apocalyptic number.

It is an amenable number.

68900897 is a deficient number, since it is larger than the sum of its proper divisors (11907103).

68900897 is a wasteful number, since it uses less digits than its factorization.

68900897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9680.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 68900897 is about 8300.6564198261. The cubic root of 68900897 is about 409.9601329469.

The spelling of 68900897 in words is "sixty-eight million, nine hundred thousand, eight hundred ninety-seven".