1087450853 has 4 divisors (see below), whose sum is σ = 1087536000. Its totient is φ = 1087365708.

The previous prime is 1087450841. The next prime is 1087450907. The reversal of 1087450853 is 3580547801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3580547801 = 2269 ⋅1578029.

It is a cyclic number.

It is not a de Polignac number, because 1087450853 - 2²² = 1083256549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1087450853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087450813) 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, 19103 + ... + 50396.

It is an arithmetic number, because the mean of its divisors is an integer number (271884000).

Almost surely, 2^1087450853 is an apocalyptic number.

It is an amenable number.

1087450853 is a deficient number, since it is larger than the sum of its proper divisors (85147).

1087450853 is an equidigital number, since it uses as much as digits as its factorization.

1087450853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85146.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 1087450853 is about 32976.5197223722. The cubic root of 1087450853 is about 1028.3395665084.

The spelling of 1087450853 in words is "one billion, eighty-seven million, four hundred fifty thousand, eight hundred fifty-three".