82307816 has 16 divisors (see below), whose sum is σ = 154664640. Its totient is φ = 41063920.

The previous prime is 82307801. The next prime is 82307833. The reversal of 82307816 is 61870328.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7280 + ... + 14751.

It is an arithmetic number, because the mean of its divisors is an integer number (9666540).

Almost surely, 2^82307816 is an apocalyptic number.

It is an amenable number.

82307816 is a deficient number, since it is larger than the sum of its proper divisors (72356824).

82307816 is a wasteful number, since it uses less digits than its factorization.

82307816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22504 (or 22500 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 82307816 is about 9072.3655129189. The cubic root of 82307816 is about 434.9910880281.

The spelling of 82307816 in words is "eighty-two million, three hundred seven thousand, eight hundred sixteen".