68363855 has 8 divisors (see below), whose sum is σ = 93756192. Its totient is φ = 46878048.

The previous prime is 68363839. The next prime is 68363857. The reversal of 68363855 is 55836386.

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

It is not a de Polignac number, because 68363855 - 2⁴ = 68363839 is a prime.

It is a super-2 number, since 2×68363855² = 9347233340922050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68363857) 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, 976592 + ... + 976661.

It is an arithmetic number, because the mean of its divisors is an integer number (11719524).

Almost surely, 2^68363855 is an apocalyptic number.

68363855 is a deficient number, since it is larger than the sum of its proper divisors (25392337).

68363855 is a wasteful number, since it uses less digits than its factorization.

68363855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953265.

The product of its digits is 518400, while the sum is 44.

The square root of 68363855 is about 8268.2437675724. The cubic root of 68363855 is about 408.8922207702.

The spelling of 68363855 in words is "sixty-eight million, three hundred sixty-three thousand, eight hundred fifty-five".