77802300316422 has 128 divisors (see below), whose sum is σ = 199714690091520. Its totient is φ = 22188687621120.

The previous prime is 77802300316381. The next prime is 77802300316483. The reversal of 77802300316422 is 22461300320877.

77802300316422 is a `hidden beast` number, since 7 + 7 + 8 + 0 + 2 + 300 + 316 + 4 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 266370553 + ... + 266662475.

It is an arithmetic number, because the mean of its divisors is an integer number (1560271016340).

Almost surely, 2^{77802300316422} is an apocalyptic number.

77802300316422 is an abundant number, since it is smaller than the sum of its proper divisors (121912389775098).

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

77802300316422 is a wasteful number, since it uses less digits than its factorization.

77802300316422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318355 (or 318349 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 77802300316422 in words is "seventy-seven trillion, eight hundred two billion, three hundred million, three hundred sixteen thousand, four hundred twenty-two".