82150689 has 16 divisors (see below), whose sum is σ = 113985792. Its totient is φ = 52585728.

The previous prime is 82150667. The next prime is 82150697. The reversal of 82150689 is 98605128.

It is not a de Polignac number, because 82150689 - 2⁵ = 82150657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82150609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1977 + ... + 12969.

It is an arithmetic number, because the mean of its divisors is an integer number (7124112).

Almost surely, 2^82150689 is an apocalyptic number.

It is an amenable number.

82150689 is a deficient number, since it is larger than the sum of its proper divisors (31835103).

82150689 is a wasteful number, since it uses less digits than its factorization.

82150689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11096.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 82150689 is about 9063.7017272194. The cubic root of 82150689 is about 434.7141099426.

The spelling of 82150689 in words is "eighty-two million, one hundred fifty thousand, six hundred eighty-nine".