68236087 has 8 divisors (see below), whose sum is σ = 72207360. Its totient is φ = 64302840.

The previous prime is 68236061. The next prime is 68236099. The reversal of 68236087 is 78063286.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-68236087 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 (68236027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5773 + ... + 13030.

It is an arithmetic number, because the mean of its divisors is an integer number (9025920).

Almost surely, 2^68236087 is an apocalyptic number.

68236087 is a deficient number, since it is larger than the sum of its proper divisors (3971273).

68236087 is a wasteful number, since it uses less digits than its factorization.

68236087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19013.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 68236087 is about 8260.5137249447. The cubic root of 68236087 is about 408.6373301233.

The spelling of 68236087 in words is "sixty-eight million, two hundred thirty-six thousand, eighty-seven".