1087485893 has 8 divisors (see below), whose sum is σ = 1171678200. Its totient is φ = 1003370688.

The previous prime is 1087485827. The next prime is 1087485899. The reversal of 1087485893 is 3985847801.

It can be written as a sum of positive squares in 4 ways, for example, as 162231169 + 925254724 = 12737^2 + 30418^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1087485893 - 2¹² = 1087481797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087485899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11903 + ... + 48131.

It is an arithmetic number, because the mean of its divisors is an integer number (146459775).

Almost surely, 2^1087485893 is an apocalyptic number.

1087485893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1087485893 is a deficient number, since it is larger than the sum of its proper divisors (84192307).

1087485893 is a wasteful number, since it uses less digits than its factorization.

1087485893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38551.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The square root of 1087485893 is about 32977.0510052066. The cubic root of 1087485893 is about 1028.3506114922.

The spelling of 1087485893 in words is "one billion, eighty-seven million, four hundred eighty-five thousand, eight hundred ninety-three".