82529918 has 4 divisors (see below), whose sum is σ = 123794880. Its totient is φ = 41264958.

The previous prime is 82529879. The next prime is 82529927. The reversal of 82529918 is 81992528.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×82529918² = 13622374730173448, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20632478 + ... + 20632481.

It is an arithmetic number, because the mean of its divisors is an integer number (30948720).

Almost surely, 2^82529918 is an apocalyptic number.

82529918 is a deficient number, since it is larger than the sum of its proper divisors (41264962).

82529918 is a wasteful number, since it uses less digits than its factorization.

82529918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41264961.

The product of its digits is 103680, while the sum is 44.

The square root of 82529918 is about 9084.5978447040. The cubic root of 82529918 is about 435.3820011666.

The spelling of 82529918 in words is "eighty-two million, five hundred twenty-nine thousand, nine hundred eighteen".