77832116 has 6 divisors (see below), whose sum is σ = 136206210. Its totient is φ = 38916056.

The previous prime is 77832101. The next prime is 77832133. The reversal of 77832116 is 61123877.

It can be written as a sum of positive squares in only one way, i.e., 53290000 + 24542116 = 7300^2 + 4954^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9729011 + ... + 9729018.

It is an arithmetic number, because the mean of its divisors is an integer number (22701035).

Almost surely, 2^77832116 is an apocalyptic number.

It is an amenable number.

77832116 is a deficient number, since it is larger than the sum of its proper divisors (58374094).

77832116 is a wasteful number, since it uses less digits than its factorization.

77832116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19458033 (or 19458031 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 77832116 is about 8822.2511866303. The cubic root of 77832116 is about 426.9591048008.

The spelling of 77832116 in words is "seventy-seven million, eight hundred thirty-two thousand, one hundred sixteen".