68812959 has 4 divisors (see below), whose sum is σ = 91750616. Its totient is φ = 45875304.

The previous prime is 68812951. The next prime is 68812967. The reversal of 68812959 is 95921886.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (68812951) and next prime (68812967).

It is not a de Polignac number, because 68812959 - 2³ = 68812951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68812951) 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, 11468824 + ... + 11468829.

It is an arithmetic number, because the mean of its divisors is an integer number (22937654).

Almost surely, 2^68812959 is an apocalyptic number.

68812959 is a deficient number, since it is larger than the sum of its proper divisors (22937657).

68812959 is a wasteful number, since it uses less digits than its factorization.

68812959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22937656.

The product of its digits is 311040, while the sum is 48.

The square root of 68812959 is about 8295.3576776412. The cubic root of 68812959 is about 409.7856484147.

The spelling of 68812959 in words is "sixty-eight million, eight hundred twelve thousand, nine hundred fifty-nine".