500340778 has 16 divisors (see below), whose sum is σ = 858726144. Its totient is φ = 214182000.

The previous prime is 500340761. The next prime is 500340809. The reversal of 500340778 is 877043005.

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, 8098 + ... + 32653.

It is an arithmetic number, because the mean of its divisors is an integer number (53670384).

Almost surely, 2^500340778 is an apocalyptic number.

500340778 is a deficient number, since it is larger than the sum of its proper divisors (358385366).

500340778 is a wasteful number, since it uses less digits than its factorization.

500340778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41637.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 500340778 is about 22368.2985048036. The cubic root of 500340778 is about 793.8808021528.

The spelling of 500340778 in words is "five hundred million, three hundred forty thousand, seven hundred seventy-eight".