865028402 has 64 divisors (see below), whose sum is σ = 1590411264. Its totient is φ = 345021120.

The previous prime is 865028401. The next prime is 865028431. The reversal of 865028402 is 204820568.

865028402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (865028401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1653713 + ... + 1654235.

It is an arithmetic number, because the mean of its divisors is an integer number (24850176).

Almost surely, 2^865028402 is an apocalyptic number.

865028402 is a deficient number, since it is larger than the sum of its proper divisors (725382862).

865028402 is a wasteful number, since it uses less digits than its factorization.

865028402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 865028402 is about 29411.3651842277. The cubic root of 865028402 is about 952.8183717224.

The spelling of 865028402 in words is "eight hundred sixty-five million, twenty-eight thousand, four hundred two".