516006778 has 32 divisors (see below), whose sum is σ = 905760000. Its totient is φ = 215913600.

The previous prime is 516006761. The next prime is 516006791. The reversal of 516006778 is 877600615.

It is a self number, because there is not a number n which added to its sum of digits gives 516006778.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100723 + ... + 105721.

It is an arithmetic number, because the mean of its divisors is an integer number (28305000).

Almost surely, 2^516006778 is an apocalyptic number.

516006778 is a deficient number, since it is larger than the sum of its proper divisors (389753222).

516006778 is a wasteful number, since it uses less digits than its factorization.

516006778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 516006778 is about 22715.7825751172. The cubic root of 516006778 is about 802.0814433370.

The spelling of 516006778 in words is "five hundred sixteen million, six thousand, seven hundred seventy-eight".