77885045822 has 8 divisors (see below), whose sum is σ = 122976388200. Its totient is φ = 36892916424.

The previous prime is 77885045789. The next prime is 77885045831. The reversal of 77885045822 is 22854058877.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1024803197 + ... + 1024803272.

It is an arithmetic number, because the mean of its divisors is an integer number (15372048525).

Almost surely, 2^77885045822 is an apocalyptic number.

77885045822 is a deficient number, since it is larger than the sum of its proper divisors (45091342378).

77885045822 is a wasteful number, since it uses less digits than its factorization.

77885045822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049606490.

The product of its (nonzero) digits is 10035200, while the sum is 56.

The spelling of 77885045822 in words is "seventy-seven billion, eight hundred eighty-five million, forty-five thousand, eight hundred twenty-two".