77786110672832 has 28 divisors (see below), whose sum is σ = 155572221361920. Its totient is φ = 38586810802176.

The previous prime is 77786110672801. The next prime is 77786110672841. The reversal of 77786110672832 is 23827601168777.

77786110672832 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4785062657 + ... + 4785078912.

Almost surely, 2^{77786110672832} is an apocalyptic number.

It is an amenable number.

77786110672832 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77786110672832 is a wasteful number, since it uses less digits than its factorization.

77786110672832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9570141708 (or 9570141698 counting only the distinct ones).

The product of its (nonzero) digits is 66382848, while the sum is 65.

The spelling of 77786110672832 in words is "seventy-seven trillion, seven hundred eighty-six billion, one hundred ten million, six hundred seventy-two thousand, eight hundred thirty-two".