82707892 has 12 divisors (see below), whose sum is σ = 146067460. Its totient is φ = 40974336.

The previous prime is 82707883. The next prime is 82707899. The reversal of 82707892 is 29870728.

It can be written as a sum of positive squares in 2 ways, for example, as 56942116 + 25765776 = 7546^2 + 5076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82707899) 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 3 ways as a sum of consecutive naturals, for example, 94413 + ... + 95284.

Almost surely, 2^82707892 is an apocalyptic number.

It is an amenable number.

82707892 is a deficient number, since it is larger than the sum of its proper divisors (63359568).

82707892 is a wasteful number, since it uses less digits than its factorization.

82707892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189810 (or 189808 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 82707892 is about 9094.3879398231. The cubic root of 82707892 is about 435.6947404549.

The spelling of 82707892 in words is "eighty-two million, seven hundred seven thousand, eight hundred ninety-two".