1087528881 has 8 divisors (see below), whose sum is σ = 1450950624. Its totient is φ = 724563200.

The previous prime is 1087528877. The next prime is 1087528903. The reversal of 1087528881 is 1888257801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1087528881 - 2² = 1087528877 is a prime.

It is a super-2 number, since 2×1087528881² = 2365438134018224322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1087528881.

It is not an unprimeable number, because it can be changed into a prime (1087508881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108411 + ... + 118016.

It is an arithmetic number, because the mean of its divisors is an integer number (181368828).

Almost surely, 2^1087528881 is an apocalyptic number.

It is an amenable number.

1087528881 is a deficient number, since it is larger than the sum of its proper divisors (363421743).

1087528881 is a wasteful number, since it uses less digits than its factorization.

1087528881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228031.

The product of its (nonzero) digits is 286720, while the sum is 48.

The square root of 1087528881 is about 32977.7027853670. The cubic root of 1087528881 is about 1028.3641614469.

The spelling of 1087528881 in words is "one billion, eighty-seven million, five hundred twenty-eight thousand, eight hundred eighty-one".