77695316 has 6 divisors (see below), whose sum is σ = 135966810. Its totient is φ = 38847656.

The previous prime is 77695307. The next prime is 77695327. The reversal of 77695316 is 61359677.

It can be written as a sum of positive squares in only one way, i.e., 77510416 + 184900 = 8804^2 + 430^2 .

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, 9711911 + ... + 9711918.

It is an arithmetic number, because the mean of its divisors is an integer number (22661135).

Almost surely, 2^77695316 is an apocalyptic number.

It is an amenable number.

77695316 is a deficient number, since it is larger than the sum of its proper divisors (58271494).

77695316 is a wasteful number, since it uses less digits than its factorization.

77695316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19423833 (or 19423831 counting only the distinct ones).

The product of its digits is 238140, while the sum is 44.

The square root of 77695316 is about 8814.4946536940. The cubic root of 77695316 is about 426.7088128397.

The spelling of 77695316 in words is "seventy-seven million, six hundred ninety-five thousand, three hundred sixteen".