82347288 has 64 divisors (see below), whose sum is σ = 211800960. Its totient is φ = 26670336.

The previous prime is 82347283. The next prime is 82347289. The reversal of 82347288 is 88274328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82347283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133156 + ... + 133772.

It is an arithmetic number, because the mean of its divisors is an integer number (3309390).

Almost surely, 2^82347288 is an apocalyptic number.

It is an amenable number.

82347288 is an abundant number, since it is smaller than the sum of its proper divisors (129453672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82347288 is a wasteful number, since it uses less digits than its factorization.

82347288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 772 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 82347288 is about 9074.5406495315. The cubic root of 82347288 is about 435.0606125078.

The spelling of 82347288 in words is "eighty-two million, three hundred forty-seven thousand, two hundred eighty-eight".