495432978 has 16 divisors (see below), whose sum is σ = 996403680. Its totient is φ = 164221376.

The previous prime is 495432953. The next prime is 495433031. The reversal of 495432978 is 879234594.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 495432978.

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, 229575 + ... + 231722.

It is an arithmetic number, because the mean of its divisors is an integer number (62275230).

Almost surely, 2^495432978 is an apocalyptic number.

495432978 is an abundant number, since it is smaller than the sum of its proper divisors (500970702).

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

495432978 is a wasteful number, since it uses less digits than its factorization.

495432978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461481.

The product of its digits is 2177280, while the sum is 51.

The square root of 495432978 is about 22258.3237913370. The cubic root of 495432978 is about 791.2765655723.

The spelling of 495432978 in words is "four hundred ninety-five million, four hundred thirty-two thousand, nine hundred seventy-eight".