5515896777 has 16 divisors (see below), whose sum is σ = 7782386688. Its totient is φ = 3467839760.

The previous prime is 5515896769. The next prime is 5515896779. The reversal of 5515896777 is 7776985155.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5515896777 - 2³ = 5515896769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5515896777.

It is not an unprimeable number, because it can be changed into a prime (5515896779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558063 + ... + 567860.

It is an arithmetic number, because the mean of its divisors is an integer number (486399168).

Almost surely, 2^5515896777 is an apocalyptic number.

It is an amenable number.

5515896777 is a deficient number, since it is larger than the sum of its proper divisors (2266489911).

5515896777 is a wasteful number, since it uses less digits than its factorization.

5515896777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126020.

The product of its digits is 18522000, while the sum is 60.

The square root of 5515896777 is about 74269.0835879910. The cubic root of 5515896777 is about 1766.8731730401.

The spelling of 5515896777 in words is "five billion, five hundred fifteen million, eight hundred ninety-six thousand, seven hundred seventy-seven".