3581799087 has 4 divisors (see below), whose sum is σ = 4775732120. Its totient is φ = 2387866056.

The previous prime is 3581799049. The next prime is 3581799101. The reversal of 3581799087 is 7809971853.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3581799087 - 2⁷ = 3581798959 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 (3581799007) 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, 596966512 + ... + 596966517.

It is an arithmetic number, because the mean of its divisors is an integer number (1193933030).

Almost surely, 2^3581799087 is an apocalyptic number.

3581799087 is a deficient number, since it is larger than the sum of its proper divisors (1193933033).

3581799087 is a wasteful number, since it uses less digits than its factorization.

3581799087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193933032.

The product of its (nonzero) digits is 3810240, while the sum is 57.

The square root of 3581799087 is about 59848.1335297936. The cubic root of 3581799087 is about 1530.0316235080.

The spelling of 3581799087 in words is "three billion, five hundred eighty-one million, seven hundred ninety-nine thousand, eighty-seven".