1087555360 has 24 divisors (see below), whose sum is σ = 2569349916. Its totient is φ = 435022080.

The previous prime is 1087555309. The next prime is 1087555363. The reversal of 1087555360 is 635557801.

It can be written as a sum of positive squares in 2 ways, for example, as 989228304 + 98327056 = 31452^2 + 9916^2 .

It is a super-2 number, since 2×1087555360² = 2365553322129459200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1087555363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3398451 + ... + 3398770.

Almost surely, 2^1087555360 is an apocalyptic number.

1087555360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087555360 is an abundant number, since it is smaller than the sum of its proper divisors (1481794556).

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

1087555360 is an equidigital number, since it uses as much as digits as its factorization.

1087555360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6797236 (or 6797228 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 1087555360 is about 32978.1042511543. The cubic root of 1087555360 is about 1028.3725075344.

The spelling of 1087555360 in words is "one billion, eighty-seven million, five hundred fifty-five thousand, three hundred sixty".