1087173933 has 4 divisors (see below), whose sum is σ = 1449565248. Its totient is φ = 724782620.

The previous prime is 1087173911. The next prime is 1087173973. The reversal of 1087173933 is 3393717801.

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 1087173933 - 2¹³ = 1087165741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087173973) 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, 181195653 + ... + 181195658.

It is an arithmetic number, because the mean of its divisors is an integer number (362391312).

Almost surely, 2^1087173933 is an apocalyptic number.

It is an amenable number.

1087173933 is a deficient number, since it is larger than the sum of its proper divisors (362391315).

1087173933 is an equidigital number, since it uses as much as digits as its factorization.

1087173933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362391314.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 1087173933 is about 32972.3207099531. The cubic root of 1087173933 is about 1028.2522700059.

The spelling of 1087173933 in words is "one billion, eighty-seven million, one hundred seventy-three thousand, nine hundred thirty-three".