82518810 has 32 divisors (see below), whose sum is σ = 216050112. Its totient is φ = 20004480.

The previous prime is 82518803. The next prime is 82518817. The reversal of 82518810 is 1881528.

It is an interprime number because it is at equal distance from previous prime (82518803) and next prime (82518817).

It is a super-2 number, since 2×82518810² = 13618708007632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (82518817) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 124699 + ... + 125358.

It is an arithmetic number, because the mean of its divisors is an integer number (6751566).

Almost surely, 2^82518810 is an apocalyptic number.

82518810 is an abundant number, since it is smaller than the sum of its proper divisors (133531302).

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

82518810 is a wasteful number, since it uses less digits than its factorization.

82518810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250078.

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 82518810 is about 9083.9864596993. The cubic root of 82518810 is about 435.3624670778.

The spelling of 82518810 in words is "eighty-two million, five hundred eighteen thousand, eight hundred ten".