855299655 has 160 divisors (see below), whose sum is σ = 1839974400. Its totient is φ = 379753920.

The previous prime is 855299633. The next prime is 855299671. The reversal of 855299655 is 556992558.

It is not a de Polignac number, because 855299655 - 2⁵ = 855299623 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

Its product of digits (4860000) is a multiple of the sum of its prime factors (216).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 6528940 + ... + 6529070.

It is an arithmetic number, because the mean of its divisors is an integer number (11499840).

Almost surely, 2^855299655 is an apocalyptic number.

855299655 is an abundant number, since it is smaller than the sum of its proper divisors (984674745).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855299655 is a wasteful number, since it uses less digits than its factorization.

855299655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 193 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 54.

The square root of 855299655 is about 29245.5065779343. The cubic root of 855299655 is about 949.2328636127.

The spelling of 855299655 in words is "eight hundred fifty-five million, two hundred ninety-nine thousand, six hundred fifty-five".