82902693889 has 4 divisors (see below), whose sum is σ = 82903838256. Its totient is φ = 82901549524.

The previous prime is 82902693793. The next prime is 82902693943. The reversal of 82902693889 is 98839620928.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82902693889 - 2¹⁹ = 82902169601 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 82902693889.

It is not an unprimeable number, because it can be changed into a prime (82902693589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455599 + ... + 611044.

It is an arithmetic number, because the mean of its divisors is an integer number (20725959564).

Almost surely, 2^82902693889 is an apocalyptic number.

It is an amenable number.

82902693889 is a deficient number, since it is larger than the sum of its proper divisors (1144367).

82902693889 is a wasteful number, since it uses less digits than its factorization.

82902693889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144366.

The product of its (nonzero) digits is 26873856, while the sum is 64.

The spelling of 82902693889 in words is "eighty-two billion, nine hundred two million, six hundred ninety-three thousand, eight hundred eighty-nine".