1087895520 has 72 divisors (see below), whose sum is σ = 3712448376. Its totient is φ = 290105088.

The previous prime is 1087895519. The next prime is 1087895539. The reversal of 1087895520 is 255987801.

It is a happy number.

1087895520 is a `hidden beast` number, since 10 + 8 + 7 + 89 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376302 + ... + 379181.

It is an arithmetic number, because the mean of its divisors is an integer number (51561783).

Almost surely, 2^1087895520 is an apocalyptic number.

1087895520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087895520 is an abundant number, since it is smaller than the sum of its proper divisors (2624552856).

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

1087895520 is a wasteful number, since it uses less digits than its factorization.

1087895520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755504 (or 755493 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 1087895520 is about 32983.2612092861. The cubic root of 1087895520 is about 1028.4797127216.

The spelling of 1087895520 in words is "one billion, eighty-seven million, eight hundred ninety-five thousand, five hundred twenty".