810778600082 has 16 divisors (see below), whose sum is σ = 1339609482432. Its totient is φ = 364957709520.

The previous prime is 810778600061. The next prime is 810778600097. The reversal of 810778600082 is 280006877018.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178898573 + ... + 178903104.

It is an arithmetic number, because the mean of its divisors is an integer number (83725592652).

Almost surely, 2^810778600082 is an apocalyptic number.

810778600082 is a deficient number, since it is larger than the sum of its proper divisors (528830882350).

810778600082 is a wasteful number, since it uses less digits than its factorization.

810778600082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357801793.

The product of its (nonzero) digits is 301056, while the sum is 47.

The spelling of 810778600082 in words is "eight hundred ten billion, seven hundred seventy-eight million, six hundred thousand, eighty-two".