5990891807 has 4 divisors (see below), whose sum is σ = 6012061320. Its totient is φ = 5969722296.

The previous prime is 5990891789. The next prime is 5990891831. The reversal of 5990891807 is 7081980995.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7081980995 = 5 ⋅1416396199.

It is a cyclic number.

It is not a de Polignac number, because 5990891807 - 2⁶ = 5990891743 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 (5990891867) 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, 10584332 + ... + 10584897.

It is an arithmetic number, because the mean of its divisors is an integer number (1503015330).

Almost surely, 2^5990891807 is an apocalyptic number.

5990891807 is a deficient number, since it is larger than the sum of its proper divisors (21169513).

5990891807 is a wasteful number, since it uses less digits than its factorization.

5990891807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21169512.

The product of its (nonzero) digits is 1632960, while the sum is 56.

The square root of 5990891807 is about 77400.8514617249. The cubic root of 5990891807 is about 1816.2006446678.

The spelling of 5990891807 in words is "five billion, nine hundred ninety million, eight hundred ninety-one thousand, eight hundred seven".