77283916 has 12 divisors (see below), whose sum is σ = 136155600. Its totient is φ = 38382320.

The previous prime is 77283863. The next prime is 77283919. The reversal of 77283916 is 61938277.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (77283919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64240 + ... + 65431.

It is an arithmetic number, because the mean of its divisors is an integer number (11346300).

Almost surely, 2^77283916 is an apocalyptic number.

It is an amenable number.

77283916 is a deficient number, since it is larger than the sum of its proper divisors (58871684).

77283916 is a wasteful number, since it uses less digits than its factorization.

77283916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129824 (or 129822 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 77283916 is about 8791.1271177250. The cubic root of 77283916 is about 425.9543325009.

The spelling of 77283916 in words is "seventy-seven million, two hundred eighty-three thousand, nine hundred sixteen".