77825684104636 has 96 divisors (see below), whose sum is σ = 149666069710080. Its totient is φ = 35190438226944.

The previous prime is 77825684104627. The next prime is 77825684104643. The reversal of 77825684104636 is 63640148652877.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2132367540 + ... + 2132404036.

It is an arithmetic number, because the mean of its divisors is an integer number (1559021559480).

Almost surely, 2^{77825684104636} is an apocalyptic number.

It is an amenable number.

77825684104636 is a deficient number, since it is larger than the sum of its proper divisors (71840385605444).

77825684104636 is a wasteful number, since it uses less digits than its factorization.

77825684104636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38923 (or 38921 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 67.

The spelling of 77825684104636 in words is "seventy-seven trillion, eight hundred twenty-five billion, six hundred eighty-four million, one hundred four thousand, six hundred thirty-six".