5277780818 has 16 divisors (see below), whose sum is σ = 8205986880. Its totient is φ = 2542814736.

The previous prime is 5277780799. The next prime is 5277780829. The reversal of 5277780818 is 8180877725.

It is a self number, because there is not a number n which added to its sum of digits gives 5277780818.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61280 + ... + 119627.

It is an arithmetic number, because the mean of its divisors is an integer number (512874180).

Almost surely, 2^5277780818 is an apocalyptic number.

5277780818 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5277780818 is a deficient number, since it is larger than the sum of its proper divisors (2928206062).

5277780818 is a wasteful number, since it uses less digits than its factorization.

5277780818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181441.

The product of its (nonzero) digits is 1756160, while the sum is 53.

The square root of 5277780818 is about 72648.3366499192. The cubic root of 5277780818 is about 1741.0735456810.

The spelling of 5277780818 in words is "five billion, two hundred seventy-seven million, seven hundred eighty thousand, eight hundred eighteen".