82477816 has 16 divisors (see below), whose sum is σ = 161370000. Its totient is φ = 39445824.

The previous prime is 82477807. The next prime is 82477823. The reversal of 82477816 is 61877428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223941 + ... + 224308.

It is an arithmetic number, because the mean of its divisors is an integer number (10085625).

Almost surely, 2^82477816 is an apocalyptic number.

It is an amenable number.

82477816 is a deficient number, since it is larger than the sum of its proper divisors (78892184).

82477816 is a wasteful number, since it uses less digits than its factorization.

82477816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448278 (or 448274 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The square root of 82477816 is about 9081.7297911797. The cubic root of 82477816 is about 435.2903614766.

The spelling of 82477816 in words is "eighty-two million, four hundred seventy-seven thousand, eight hundred sixteen".