1087885194 has 64 divisors (see below), whose sum is σ = 2403164160. Its totient is φ = 325584000.

The previous prime is 1087885193. The next prime is 1087885213. The reversal of 1087885194 is 4915887801.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1087885193) 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, 2659662 + ... + 2660070.

It is an arithmetic number, because the mean of its divisors is an integer number (37549440).

Almost surely, 2^1087885194 is an apocalyptic number.

1087885194 is an abundant number, since it is smaller than the sum of its proper divisors (1315278966).

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

1087885194 is a wasteful number, since it uses less digits than its factorization.

1087885194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827.

The product of its (nonzero) digits is 645120, while the sum is 51.

The square root of 1087885194 is about 32983.1046749696. The cubic root of 1087885194 is about 1028.4764586974.

The spelling of 1087885194 in words is "one billion, eighty-seven million, eight hundred eighty-five thousand, one hundred ninety-four".