5391989577 has 12 divisors (see below), whose sum is σ = 8387539524. Its totient is φ = 3318147360.

The previous prime is 5391989573. The next prime is 5391989587. The reversal of 5391989577 is 7759891935.

5391989577 is a `hidden beast` number, since 5 + 391 + 98 + 95 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 320983056 + 5071006521 = 17916^2 + 71211^2 .

It is not a de Polignac number, because 5391989577 - 2² = 5391989573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5391989573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23042574 + ... + 23042807.

It is an arithmetic number, because the mean of its divisors is an integer number (698961627).

Almost surely, 2^5391989577 is an apocalyptic number.

It is an amenable number.

5391989577 is a deficient number, since it is larger than the sum of its proper divisors (2995549947).

5391989577 is a wasteful number, since it uses less digits than its factorization.

5391989577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46085400 (or 46085397 counting only the distinct ones).

The product of its digits is 21432600, while the sum is 63.

The square root of 5391989577 is about 73430.1680305854. The cubic root of 5391989577 is about 1753.5427092132.

The spelling of 5391989577 in words is "five billion, three hundred ninety-one million, nine hundred eighty-nine thousand, five hundred seventy-seven".