5477687391 has 8 divisors (see below), whose sum is σ = 7967545344. Its totient is φ = 3319810520.

The previous prime is 5477687387. The next prime is 5477687401. The reversal of 5477687391 is 1937867745.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5477687391 - 2² = 5477687387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5477687791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82995231 + ... + 82995296.

It is an arithmetic number, because the mean of its divisors is an integer number (995943168).

Almost surely, 2^5477687391 is an apocalyptic number.

5477687391 is a deficient number, since it is larger than the sum of its proper divisors (2489857953).

5477687391 is a wasteful number, since it uses less digits than its factorization.

5477687391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165990541.

The product of its digits is 8890560, while the sum is 57.

The square root of 5477687391 is about 74011.4004123689. The cubic root of 5477687391 is about 1762.7839239193.

The spelling of 5477687391 in words is "five billion, four hundred seventy-seven million, six hundred eighty-seven thousand, three hundred ninety-one".