77825223781108 has 12 divisors (see below), whose sum is σ = 143362254333760. Its totient is φ = 36864579685752.

The previous prime is 77825223781087. The next prime is 77825223781117. The reversal of 77825223781108 is 80118732252877.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512008051116 + ... + 512008051267.

Almost surely, 2^{77825223781108} is an apocalyptic number.

It is an amenable number.

77825223781108 is a deficient number, since it is larger than the sum of its proper divisors (65537030552652).

77825223781108 is a wasteful number, since it uses less digits than its factorization.

77825223781108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024016102406 (or 1024016102404 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 61.

The spelling of 77825223781108 in words is "seventy-seven trillion, eight hundred twenty-five billion, two hundred twenty-three million, seven hundred eighty-one thousand, one hundred eight".