82151286 has 16 divisors (see below), whose sum is σ = 187774464. Its totient is φ = 23471784.

The previous prime is 82151273. The next prime is 82151297. The reversal of 82151286 is 68215128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977950 + ... + 978033.

It is an arithmetic number, because the mean of its divisors is an integer number (11735904).

Almost surely, 2^82151286 is an apocalyptic number.

82151286 is an abundant number, since it is smaller than the sum of its proper divisors (105623178).

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

82151286 is a wasteful number, since it uses less digits than its factorization.

82151286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955995.

The product of its digits is 7680, while the sum is 33.

The square root of 82151286 is about 9063.7346607235. The cubic root of 82151286 is about 434.7151629818.

The spelling of 82151286 in words is "eighty-two million, one hundred fifty-one thousand, two hundred eighty-six".