855551802 has 32 divisors (see below), whose sum is σ = 1988697600. Its totient is φ = 240299568.

The previous prime is 855551789. The next prime is 855551803. The reversal of 855551802 is 208155558.

It is not an unprimeable number, because it can be changed into a prime (855551803) 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, 170152 + ... + 175107.

It is an arithmetic number, because the mean of its divisors is an integer number (62146800).

Almost surely, 2^855551802 is an apocalyptic number.

855551802 is an abundant number, since it is smaller than the sum of its proper divisors (1133145798).

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

855551802 is a wasteful number, since it uses less digits than its factorization.

855551802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345330.

The product of its (nonzero) digits is 80000, while the sum is 39.

The square root of 855551802 is about 29249.8171276335. The cubic root of 855551802 is about 949.3261341217.

The spelling of 855551802 in words is "eight hundred fifty-five million, five hundred fifty-one thousand, eight hundred two".