82287388 has 12 divisors (see below), whose sum is σ = 145103112. Its totient is φ = 40829360.

The previous prime is 82287383. The next prime is 82287389. The reversal of 82287388 is 88378228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82287383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77995 + ... + 79042.

It is an arithmetic number, because the mean of its divisors is an integer number (12091926).

Almost surely, 2^82287388 is an apocalyptic number.

It is an amenable number.

82287388 is a deficient number, since it is larger than the sum of its proper divisors (62815724).

82287388 is a wasteful number, since it uses less digits than its factorization.

82287388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157172 (or 157170 counting only the distinct ones).

The product of its digits is 344064, while the sum is 46.

The square root of 82287388 is about 9071.2396065808. The cubic root of 82287388 is about 434.9550981970.

The spelling of 82287388 in words is "eighty-two million, two hundred eighty-seven thousand, three hundred eighty-eight".