5865994620 has 48 divisors (see below), whose sum is σ = 18249762720. Its totient is φ = 1564265088.

The previous prime is 5865994591. The next prime is 5865994627. The reversal of 5865994620 is 264995685.

It is a happy number.

5865994620 is a `hidden beast` number, since 5 + 8 + 6 + 5 + 9 + 9 + 4 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5865994627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5430937 + ... + 5432016.

It is an arithmetic number, because the mean of its divisors is an integer number (380203390).

Almost surely, 2^5865994620 is an apocalyptic number.

It is an amenable number.

5865994620 is an abundant number, since it is smaller than the sum of its proper divisors (12383768100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5865994620 is a wasteful number, since it uses less digits than its factorization.

5865994620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10862971 (or 10862963 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The square root of 5865994620 is about 76589.7814332957. The cubic root of 5865994620 is about 1803.4906154044.

The spelling of 5865994620 in words is "five billion, eight hundred sixty-five million, nine hundred ninety-four thousand, six hundred twenty".