82806151 has 4 divisors (see below), whose sum is σ = 84568032. Its totient is φ = 81044272.

The previous prime is 82806149. The next prime is 82806169. The reversal of 82806151 is 15160828.

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

It is a cyclic number.

It is not a de Polignac number, because 82806151 - 2¹ = 82806149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82806121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880870 + ... + 880963.

It is an arithmetic number, because the mean of its divisors is an integer number (21142008).

Almost surely, 2^82806151 is an apocalyptic number.

82806151 is a deficient number, since it is larger than the sum of its proper divisors (1761881).

82806151 is a wasteful number, since it uses less digits than its factorization.

82806151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761880.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 82806151 is about 9099.7885140260. The cubic root of 82806151 is about 435.8672108451.

Adding to 82806151 its reverse (15160828), we get a palindrome (97966979).

The spelling of 82806151 in words is "eighty-two million, eight hundred six thousand, one hundred fifty-one".