1087998912 has 896 divisors, whose sum is σ = 4670023680. Its totient is φ = 238878720.

The previous prime is 1087998883. The next prime is 1087998913. The reversal of 1087998912 is 2198997801.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087998913) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29405358 + ... + 29405394.

It is an arithmetic number, because the mean of its divisors is an integer number (5212080).

Almost surely, 2^1087998912 is an apocalyptic number.

1087998912 is a gapful number since it is divisible by the number (12) 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 1087998912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2335011840).

1087998912 is an abundant number, since it is smaller than the sum of its proper divisors (3582024768).

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

1087998912 is a wasteful number, since it uses less digits than its factorization.

1087998912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 54.

The square root of 1087998912 is about 32984.8285125147. The cubic root of 1087998912 is about 1028.5122934256.

It can be divided in two parts, 108799 and 8912, that added together give a palindrome (117711).

The spelling of 1087998912 in words is "one billion, eighty-seven million, nine hundred ninety-eight thousand, nine hundred twelve".