1087229880 has 192 divisors, whose sum is σ = 3908567520. Its totient is φ = 259891200.

The previous prime is 1087229879. The next prime is 1087229903. The reversal of 1087229880 is 889227801.

It is a happy number.

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 47 ways as a sum of consecutive naturals, for example, 287200 + ... + 290960.

Almost surely, 2^1087229880 is an apocalyptic number.

1087229880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1087229880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1954283760).

1087229880 is an abundant number, since it is smaller than the sum of its proper divisors (2821337640).

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

1087229880 is a wasteful number, since it uses less digits than its factorization.

1087229880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862 (or 3855 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 1087229880 is about 32973.1690924606. The cubic root of 1087229880 is about 1028.2699079818.

The spelling of 1087229880 in words is "one billion, eighty-seven million, two hundred twenty-nine thousand, eight hundred eighty".