82864370 has 8 divisors (see below), whose sum is σ = 149155884. Its totient is φ = 33145744.

The previous prime is 82864367. The next prime is 82864459. The reversal of 82864370 is 7346828.

It can be written as a sum of positive squares in 2 ways, for example, as 82646281 + 218089 = 9091^2 + 467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4143209 + ... + 4143228.

Almost surely, 2^82864370 is an apocalyptic number.

82864370 is a deficient number, since it is larger than the sum of its proper divisors (66291514).

82864370 is a wasteful number, since it uses less digits than its factorization.

82864370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8286444.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 82864370 is about 9102.9868724502. The cubic root of 82864370 is about 435.9693361427.

The spelling of 82864370 in words is "eighty-two million, eight hundred sixty-four thousand, three hundred seventy".