495055978 has 8 divisors (see below), whose sum is σ = 742867200. Its totient is φ = 247433580.

The previous prime is 495055973. The next prime is 495055991. The reversal of 495055978 is 879550594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (495055973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40458 + ... + 51253.

It is an arithmetic number, because the mean of its divisors is an integer number (92858400).

Almost surely, 2^495055978 is an apocalyptic number.

495055978 is a deficient number, since it is larger than the sum of its proper divisors (247811222).

495055978 is a wasteful number, since it uses less digits than its factorization.

495055978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94412.

The product of its (nonzero) digits is 2268000, while the sum is 52.

The square root of 495055978 is about 22249.8534377195. The cubic root of 495055978 is about 791.0758071939.

The spelling of 495055978 in words is "four hundred ninety-five million, fifty-five thousand, nine hundred seventy-eight".