68775867 has 12 divisors (see below), whose sum is σ = 100011600. Its totient is φ = 45541968.

The previous prime is 68775851. The next prime is 68775869. The reversal of 68775867 is 76857786.

It is not a de Polignac number, because 68775867 - 2⁴ = 68775851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68775869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24303 + ... + 26984.

It is an arithmetic number, because the mean of its divisors is an integer number (8334300).

Almost surely, 2^68775867 is an apocalyptic number.

68775867 is a deficient number, since it is larger than the sum of its proper divisors (31235733).

68775867 is a wasteful number, since it uses less digits than its factorization.

68775867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51442 (or 51439 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The square root of 68775867 is about 8293.1216679849. The cubic root of 68775867 is about 409.7120067570.

The spelling of 68775867 in words is "sixty-eight million, seven hundred seventy-five thousand, eight hundred sixty-seven".