68899197 has 16 divisors (see below), whose sum is σ = 94409280. Its totient is φ = 44677632.

The previous prime is 68899189. The next prime is 68899199. The reversal of 68899197 is 79199886.

It is not a de Polignac number, because 68899197 - 2³ = 68899189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68899199) 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, 15163 + ... + 19175.

It is an arithmetic number, because the mean of its divisors is an integer number (5900580).

Almost surely, 2^68899197 is an apocalyptic number.

It is an amenable number.

68899197 is a deficient number, since it is larger than the sum of its proper divisors (25510083).

68899197 is a wasteful number, since it uses less digits than its factorization.

68899197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172.

The product of its digits is 1959552, while the sum is 57.

The square root of 68899197 is about 8300.5540176545. The cubic root of 68899197 is about 409.9567612542.

It can be divided in two parts, 68899 and 197, that added together give a palindrome (69096).

The spelling of 68899197 in words is "sixty-eight million, eight hundred ninety-nine thousand, one hundred ninety-seven".