534995778 has 16 divisors (see below), whose sum is σ = 1116513216. Its totient is φ = 170578320.

The previous prime is 534995771. The next prime is 534995789. The reversal of 534995778 is 877599435.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (534995771) 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, 1938253 + ... + 1938528.

It is an arithmetic number, because the mean of its divisors is an integer number (69782076).

Almost surely, 2^534995778 is an apocalyptic number.

534995778 is an abundant number, since it is smaller than the sum of its proper divisors (581517438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

534995778 is a wasteful number, since it uses less digits than its factorization.

534995778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876809.

The product of its digits is 9525600, while the sum is 57.

The square root of 534995778 is about 23129.9757457720. The cubic root of 534995778 is about 811.8020024495.

The spelling of 534995778 in words is "five hundred thirty-four million, nine hundred ninety-five thousand, seven hundred seventy-eight".