492351778 has 16 divisors (see below), whose sum is σ = 753513984. Its totient is φ = 241219440.

The previous prime is 492351757. The next prime is 492351791. The reversal of 492351778 is 877153294.

It is a super-2 number, since 2×492351778² = 484820546599522568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15976 + ... + 35212.

It is an arithmetic number, because the mean of its divisors is an integer number (47094624).

Almost surely, 2^492351778 is an apocalyptic number.

492351778 is a deficient number, since it is larger than the sum of its proper divisors (261162206).

492351778 is a wasteful number, since it uses less digits than its factorization.

492351778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19497.

The product of its digits is 423360, while the sum is 46.

The square root of 492351778 is about 22189.0012844202. The cubic root of 492351778 is about 789.6327823842.

The spelling of 492351778 in words is "four hundred ninety-two million, three hundred fifty-one thousand, seven hundred seventy-eight".