1087061818 has 8 divisors (see below), whose sum is σ = 1636655220. Its totient is φ = 541510080.

The previous prime is 1087061797. The next prime is 1087061819. The reversal of 1087061818 is 8181607801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 719687929 + 367373889 = 26827^2 + 19167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1087061819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009743 + ... + 1010818.

Almost surely, 2^1087061818 is an apocalyptic number.

1087061818 is a deficient number, since it is larger than the sum of its proper divisors (549593402).

1087061818 is a wasteful number, since it uses less digits than its factorization.

1087061818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020832.

The product of its (nonzero) digits is 21504, while the sum is 40.

The square root of 1087061818 is about 32970.6205279791. The cubic root of 1087061818 is about 1028.2169225597.

The spelling of 1087061818 in words is "one billion, eighty-seven million, sixty-one thousand, eight hundred eighteen".