1087787118 has 16 divisors (see below), whose sum is σ = 2373353856. Its totient is φ = 329632440.

The previous prime is 1087787111. The next prime is 1087787119. The reversal of 1087787118 is 8117877801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087787111) 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 7 ways as a sum of consecutive naturals, for example, 8240746 + ... + 8240877.

It is an arithmetic number, because the mean of its divisors is an integer number (148334616).

Almost surely, 2^1087787118 is an apocalyptic number.

1087787118 is an abundant number, since it is smaller than the sum of its proper divisors (1285566738).

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

1087787118 is a wasteful number, since it uses less digits than its factorization.

1087787118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16481639.

The product of its (nonzero) digits is 175616, while the sum is 48.

The square root of 1087787118 is about 32981.6178802678. The cubic root of 1087787118 is about 1028.4455510584.

The spelling of 1087787118 in words is "one billion, eighty-seven million, seven hundred eighty-seven thousand, one hundred eighteen".