1087923648 has 112 divisors (see below), whose sum is σ = 3309396480. Its totient is φ = 308972544.

The previous prime is 1087923631. The next prime is 1087923673. The reversal of 1087923648 is 8463297801.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1087923597 and 1087923606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230173 + ... + 234851.

Almost surely, 2^1087923648 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 1087923648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1654698240).

1087923648 is an abundant number, since it is smaller than the sum of its proper divisors (2221472832).

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

1087923648 is a wasteful number, since it uses less digits than its factorization.

1087923648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874 (or 4864 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 1087923648 is about 32983.6876046327. The cubic root of 1087923648 is about 1028.4885765716.

The spelling of 1087923648 in words is "one billion, eighty-seven million, nine hundred twenty-three thousand, six hundred forty-eight".