1087659888 has 160 divisors (see below), whose sum is σ = 3329120256. Its totient is φ = 299545344.

The previous prime is 1087659887. The next prime is 1087659899. The reversal of 1087659888 is 8889567801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087659887) 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, 1198731 + ... + 1199637.

Almost surely, 2^1087659888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1087659888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664560128).

1087659888 is an abundant number, since it is smaller than the sum of its proper divisors (2241460368).

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

1087659888 is a wasteful number, since it uses less digits than its factorization.

1087659888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 60.

The square root of 1087659888 is about 32979.6890221845. The cubic root of 1087659888 is about 1028.4054530689.

The spelling of 1087659888 in words is "one billion, eighty-seven million, six hundred fifty-nine thousand, eight hundred eighty-eight".