1087550873 has 4 divisors (see below), whose sum is σ = 1095375120. Its totient is φ = 1079726628.

The previous prime is 1087550857. The next prime is 1087550917. The reversal of 1087550873 is 3780557801.

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.

It is a cyclic number.

It is not a de Polignac number, because 1087550873 - 2⁴ = 1087550857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087550803) 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, 3911915 + ... + 3912192.

It is an arithmetic number, because the mean of its divisors is an integer number (273843780).

Almost surely, 2^1087550873 is an apocalyptic number.

It is an amenable number.

1087550873 is a deficient number, since it is larger than the sum of its proper divisors (7824247).

1087550873 is an equidigital number, since it uses as much as digits as its factorization.

1087550873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7824246.

The product of its (nonzero) digits is 235200, while the sum is 44.

The square root of 1087550873 is about 32978.0362210972. The cubic root of 1087550873 is about 1028.3710932573.

The spelling of 1087550873 in words is "one billion, eighty-seven million, five hundred fifty thousand, eight hundred seventy-three".