77514716 has 6 divisors (see below), whose sum is σ = 135650760. Its totient is φ = 38757356.

The previous prime is 77514707. The next prime is 77514719. The reversal of 77514716 is 61741577.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 77514716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77514719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9689336 + ... + 9689343.

It is an arithmetic number, because the mean of its divisors is an integer number (22608460).

Almost surely, 2^77514716 is an apocalyptic number.

It is an amenable number.

77514716 is a deficient number, since it is larger than the sum of its proper divisors (58136044).

77514716 is a wasteful number, since it uses less digits than its factorization.

77514716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19378683 (or 19378681 counting only the distinct ones).

The product of its digits is 41160, while the sum is 38.

The square root of 77514716 is about 8804.2442037917. The cubic root of 77514716 is about 426.3779331791.

The spelling of 77514716 in words is "seventy-seven million, five hundred fourteen thousand, seven hundred sixteen".