82803691 has 8 divisors (see below), whose sum is σ = 87557120. Its totient is φ = 78089832.

The previous prime is 82803689. The next prime is 82803737. The reversal of 82803691 is 19630828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82803691 - 2¹ = 82803689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82803691.

It is not an unprimeable number, because it can be changed into a prime (82804691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5535 + ... + 14008.

It is an arithmetic number, because the mean of its divisors is an integer number (10944640).

Almost surely, 2^82803691 is an apocalyptic number.

82803691 is a deficient number, since it is larger than the sum of its proper divisors (4753429).

82803691 is a wasteful number, since it uses less digits than its factorization.

82803691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19785.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 82803691 is about 9099.6533450456. The cubic root of 82803691 is about 435.8628945637.

The spelling of 82803691 in words is "eighty-two million, eight hundred three thousand, six hundred ninety-one".