495978774 has 32 divisors (see below), whose sum is σ = 1105591680. Its totient is φ = 147411072.

The previous prime is 495978773. The next prime is 495978779. The reversal of 495978774 is 477879594.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495978773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126024 + ... + 129899.

It is an arithmetic number, because the mean of its divisors is an integer number (34549740).

Almost surely, 2^495978774 is an apocalyptic number.

495978774 is an abundant number, since it is smaller than the sum of its proper divisors (609612906).

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

495978774 is a wasteful number, since it uses less digits than its factorization.

495978774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255964.

The product of its digits is 17781120, while the sum is 60.

The square root of 495978774 is about 22270.5809084541. The cubic root of 495978774 is about 791.5670300805.

The spelling of 495978774 in words is "four hundred ninety-five million, nine hundred seventy-eight thousand, seven hundred seventy-four".