82907851 has 6 divisors (see below), whose sum is σ = 89776140. Its totient is φ = 76530168.

The previous prime is 82907837. The next prime is 82907873. The reversal of 82907851 is 15870928.

It is a de Polignac number, because none of the positive numbers 2^k-82907851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82908851) 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 5 ways as a sum of consecutive naturals, for example, 245121 + ... + 245458.

It is an arithmetic number, because the mean of its divisors is an integer number (14962690).

Almost surely, 2^82907851 is an apocalyptic number.

82907851 is a deficient number, since it is larger than the sum of its proper divisors (6868289).

82907851 is a wasteful number, since it uses less digits than its factorization.

82907851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490605 (or 490592 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 82907851 is about 9105.3748412682. The cubic root of 82907851 is about 436.0455774675.

The spelling of 82907851 in words is "eighty-two million, nine hundred seven thousand, eight hundred fifty-one".