77216703 has 16 divisors (see below), whose sum is σ = 114750720. Its totient is φ = 45899136.

The previous prime is 77216693. The next prime is 77216747. The reversal of 77216703 is 30761277.

It is not a de Polignac number, because 77216703 - 2⁴ = 77216687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77216303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38875 + ... + 40812.

It is an arithmetic number, because the mean of its divisors is an integer number (7171920).

Almost surely, 2^77216703 is an apocalyptic number.

77216703 is a deficient number, since it is larger than the sum of its proper divisors (37534017).

77216703 is a wasteful number, since it uses less digits than its factorization.

77216703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79726.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 77216703 is about 8787.3035113168. The cubic root of 77216703 is about 425.8308140351.

The spelling of 77216703 in words is "seventy-seven million, two hundred sixteen thousand, seven hundred three".