82692641 has 4 divisors (see below), whose sum is σ = 87556932. Its totient is φ = 77828352.

The previous prime is 82692619. The next prime is 82692647. The reversal of 82692641 is 14629628.

82692641 = 1543² + 1544² + ... + 1576².

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

It can be written as a sum of positive squares in 2 ways, for example, as 68973025 + 13719616 = 8305^2 + 3704^2 .

It is a cyclic number.

It is not a de Polignac number, because 82692641 - 2¹⁰ = 82691617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82692595 and 82692604.

It is not an unprimeable number, because it can be changed into a prime (82692647) 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, 2432120 + ... + 2432153.

It is an arithmetic number, because the mean of its divisors is an integer number (21889233).

Almost surely, 2^82692641 is an apocalyptic number.

It is an amenable number.

82692641 is a deficient number, since it is larger than the sum of its proper divisors (4864291).

82692641 is a wasteful number, since it uses less digits than its factorization.

82692641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864290.

The product of its digits is 41472, while the sum is 38.

The square root of 82692641 is about 9093.5494170318. The cubic root of 82692641 is about 435.6679586941.

The spelling of 82692641 in words is "eighty-two million, six hundred ninety-two thousand, six hundred forty-one".