68802865 has 16 divisors (see below), whose sum is σ = 84139776. Its totient is φ = 54000000.

The previous prime is 68802863. The next prime is 68802883. The reversal of 68802865 is 56820886.

It is a happy number.

It is not a de Polignac number, because 68802865 - 2¹ = 68802863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68802863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91240 + ... + 91990.

It is an arithmetic number, because the mean of its divisors is an integer number (5258736).

Almost surely, 2^68802865 is an apocalyptic number.

It is an amenable number.

68802865 is a deficient number, since it is larger than the sum of its proper divisors (15336911).

68802865 is a wasteful number, since it uses less digits than its factorization.

68802865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 68802865 is about 8294.7492427439. The cubic root of 68802865 is about 409.7656106260.

The spelling of 68802865 in words is "sixty-eight million, eight hundred two thousand, eight hundred sixty-five".