551298230777 has 32 divisors (see below), whose sum is σ = 649427681280. Its totient is φ = 458208576000.

The previous prime is 551298230773. The next prime is 551298230843. The reversal of 551298230777 is 777032892155.

It is not a de Polignac number, because 551298230777 - 2² = 551298230773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551298230773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31370249 + ... + 31387817.

It is an arithmetic number, because the mean of its divisors is an integer number (20294615040).

Almost surely, 2^551298230777 is an apocalyptic number.

It is an amenable number.

551298230777 is a deficient number, since it is larger than the sum of its proper divisors (98129450503).

551298230777 is a wasteful number, since it uses less digits than its factorization.

551298230777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18501.

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 551298230777 in words is "five hundred fifty-one billion, two hundred ninety-eight million, two hundred thirty thousand, seven hundred seventy-seven".