1087385670 has 48 divisors (see below), whose sum is σ = 3231090720. Its totient is φ = 248545152.

The previous prime is 1087385669. The next prime is 1087385693. The reversal of 1087385670 is 765837801.

1087385670 is a `hidden beast` number, since 1 + 0 + 87 + 3 + 8 + 567 + 0 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 862375 + ... + 863634.

It is an arithmetic number, because the mean of its divisors is an integer number (67314390).

Almost surely, 2^1087385670 is an apocalyptic number.

1087385670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1087385670 is an abundant number, since it is smaller than the sum of its proper divisors (2143705050).

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

1087385670 is a wasteful number, since it uses less digits than its factorization.

1087385670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726029 (or 1726026 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1087385670 is about 32975.5313831332. The cubic root of 1087385670 is about 1028.3190194963.

The spelling of 1087385670 in words is "one billion, eighty-seven million, three hundred eighty-five thousand, six hundred seventy".