5664831477 has 16 divisors (see below), whose sum is σ = 8025102720. Its totient is φ = 3554394816.

The previous prime is 5664831467. The next prime is 5664831499. The reversal of 5664831477 is 7741384665.

It is a happy number.

5664831477 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5664831477 - 2⁶ = 5664831413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5664831467) 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, 177433 + ... + 206910.

It is an arithmetic number, because the mean of its divisors is an integer number (501568920).

Almost surely, 2^5664831477 is an apocalyptic number.

It is an amenable number.

5664831477 is a deficient number, since it is larger than the sum of its proper divisors (2360271243).

5664831477 is an equidigital number, since it uses as much as digits as its factorization.

5664831477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384397 (or 384363 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The square root of 5664831477 is about 75265.0747491823. The cubic root of 5664831477 is about 1782.6345992896.

The spelling of 5664831477 in words is "five billion, six hundred sixty-four million, eight hundred thirty-one thousand, four hundred seventy-seven".