5321377777 has 8 divisors (see below), whose sum is σ = 5468925800. Its totient is φ = 5174025984.

The previous prime is 5321377771. The next prime is 5321377801. The reversal of 5321377777 is 7777731235.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 175324081 + 5146053696 = 13241^2 + 71736^2 .

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 5321377777 - 2³ = 5321377769 is a prime.

It is a super-2 number, since 2×5321377777² = 56634122891098923458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5321377777.

It is not an unprimeable number, because it can be changed into a prime (5321377771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6799 + ... + 103387.

It is an arithmetic number, because the mean of its divisors is an integer number (683615725).

Almost surely, 2^5321377777 is an apocalyptic number.

It is an amenable number.

5321377777 is a deficient number, since it is larger than the sum of its proper divisors (147548023).

5321377777 is a wasteful number, since it uses less digits than its factorization.

5321377777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98115.

The product of its digits is 1512630, while the sum is 49.

The square root of 5321377777 is about 72947.7743114894. The cubic root of 5321377777 is about 1745.8544351869.

The spelling of 5321377777 in words is "five billion, three hundred twenty-one million, three hundred seventy-seven thousand, seven hundred seventy-seven".