83782316 has 6 divisors (see below), whose sum is σ = 146619060. Its totient is φ = 41891156.

The previous prime is 83782313. The next prime is 83782331. The reversal of 83782316 is 61328738.

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 83782316.

It is not an unprimeable number, because it can be changed into a prime (83782313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10472786 + ... + 10472793.

It is an arithmetic number, because the mean of its divisors is an integer number (24436510).

Almost surely, 2^83782316 is an apocalyptic number.

It is an amenable number.

83782316 is a deficient number, since it is larger than the sum of its proper divisors (62836744).

83782316 is a wasteful number, since it uses less digits than its factorization.

83782316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20945583 (or 20945581 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 83782316 is about 9153.2680502649. The cubic root of 83782316 is about 437.5732727344.

The spelling of 83782316 in words is "eighty-three million, seven hundred eighty-two thousand, three hundred sixteen".