1087864970 has 16 divisors (see below), whose sum is σ = 1958537448. Its totient is φ = 435061440.

The previous prime is 1087864957. The next prime is 1087865021. The reversal of 1087864970 is 794687801.

It can be written as a sum of positive squares in 4 ways, for example, as 945993049 + 141871921 = 30757^2 + 11911^2 .

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 7 ways as a sum of consecutive naturals, for example, 82472 + ... + 94748.

Almost surely, 2^1087864970 is an apocalyptic number.

1087864970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1087864970 is a deficient number, since it is larger than the sum of its proper divisors (870672478).

1087864970 is a wasteful number, since it uses less digits than its factorization.

1087864970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21145.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 1087864970 is about 32982.7980923390. The cubic root of 1087864970 is about 1028.4700854646.

The spelling of 1087864970 in words is "one billion, eighty-seven million, eight hundred sixty-four thousand, nine hundred seventy".