68838965 has 8 divisors (see below), whose sum is σ = 88961208. Its totient is φ = 50834880.

The previous prime is 68838943. The next prime is 68838971. The reversal of 68838965 is 56983886.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3972049 + 64866916 = 1993^2 + 8054^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68838965 - 2⁸ = 68838709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529466 + ... + 529595.

It is an arithmetic number, because the mean of its divisors is an integer number (11120151).

Almost surely, 2^68838965 is an apocalyptic number.

68838965 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68838965 is a deficient number, since it is larger than the sum of its proper divisors (20122243).

68838965 is a wasteful number, since it uses less digits than its factorization.

68838965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059079.

The product of its digits is 2488320, while the sum is 53.

The square root of 68838965 is about 8296.9250328058. The cubic root of 68838965 is about 409.8372643870.

The spelling of 68838965 in words is "sixty-eight million, eight hundred thirty-eight thousand, nine hundred sixty-five".