855828752915 has 16 divisors (see below), whose sum is σ = 1036529524800. Its totient is φ = 678307692672.

The previous prime is 855828752893. The next prime is 855828752951. The reversal of 855828752915 is 519257828558.

855828752915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 855828752915 - 2⁶ = 855828752851 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5216069 + ... + 5377641.

It is an arithmetic number, because the mean of its divisors is an integer number (64783095300).

Almost surely, 2^855828752915 is an apocalyptic number.

855828752915 is a deficient number, since it is larger than the sum of its proper divisors (180700771885).

855828752915 is a wasteful number, since it uses less digits than its factorization.

855828752915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171406.

The product of its digits is 80640000, while the sum is 65.

The spelling of 855828752915 in words is "eight hundred fifty-five billion, eight hundred twenty-eight million, seven hundred fifty-two thousand, nine hundred fifteen".