855781150 has 24 divisors (see below), whose sum is σ = 1819146960. Its totient is φ = 293410560.

The previous prime is 855781099. The next prime is 855781153. The reversal of 855781150 is 51187558.

It is a super-2 number, since 2×855781150² = 1464722753390645000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855781153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1222195 + ... + 1222894.

It is an arithmetic number, because the mean of its divisors is an integer number (75797790).

Almost surely, 2^855781150 is an apocalyptic number.

855781150 is an abundant number, since it is smaller than the sum of its proper divisors (963365810).

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

855781150 is a wasteful number, since it uses less digits than its factorization.

855781150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445108 (or 2445103 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 40.

The square root of 855781150 is about 29253.7373680697. The cubic root of 855781150 is about 949.4109552463.

The spelling of 855781150 in words is "eight hundred fifty-five million, seven hundred eighty-one thousand, one hundred fifty".