77903040822 has 16 divisors (see below), whose sum is σ = 156230625792. Its totient is φ = 25896922920.

The previous prime is 77903040781. The next prime is 77903040841. The reversal of 77903040822 is 22804030977.

It is a congruent number.

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, 17686954 + ... + 17691357.

It is an arithmetic number, because the mean of its divisors is an integer number (9764414112).

Almost surely, 2^77903040822 is an apocalyptic number.

77903040822 is an abundant number, since it is smaller than the sum of its proper divisors (78327584970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77903040822 is a wasteful number, since it uses less digits than its factorization.

77903040822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35378683.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 77903040822 in words is "seventy-seven billion, nine hundred three million, forty thousand, eight hundred twenty-two".