1087727800 has 24 divisors (see below), whose sum is σ = 2528967600. Its totient is φ = 435091040.

The previous prime is 1087727791. The next prime is 1087727801. The reversal of 1087727800 is 87277801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087727801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2719120 + ... + 2719519.

It is an arithmetic number, because the mean of its divisors is an integer number (105373650).

Almost surely, 2^1087727800 is an apocalyptic number.

1087727800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087727800 is an abundant number, since it is smaller than the sum of its proper divisors (1441239800).

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

1087727800 is a wasteful number, since it uses less digits than its factorization.

1087727800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438655 (or 5438646 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 40.

The square root of 1087727800 is about 32980.7186095149. The cubic root of 1087727800 is about 1028.4268567014.

The spelling of 1087727800 in words is "one billion, eighty-seven million, seven hundred twenty-seven thousand, eight hundred".