82761613 has 16 divisors (see below), whose sum is σ = 94571136. Its totient is φ = 71691840.

The previous prime is 82761607. The next prime is 82761631. The reversal of 82761613 is 31616728.

It is not a de Polignac number, because 82761613 - 2⁹ = 82761101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82761113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93931 + ... + 94807.

It is an arithmetic number, because the mean of its divisors is an integer number (5910696).

Almost surely, 2^82761613 is an apocalyptic number.

It is an amenable number.

82761613 is a deficient number, since it is larger than the sum of its proper divisors (11809523).

82761613 is a wasteful number, since it uses less digits than its factorization.

82761613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284.

The product of its digits is 12096, while the sum is 34.

The square root of 82761613 is about 9097.3409851451. The cubic root of 82761613 is about 435.7890518554.

It can be divided in two parts, 8276 and 1613, that added together give a palindrome (9889).

The spelling of 82761613 in words is "eighty-two million, seven hundred sixty-one thousand, six hundred thirteen".