82003886805 has 32 divisors (see below), whose sum is σ = 137886148224. Its totient is φ = 41563742976.

The previous prime is 82003886773. The next prime is 82003886819. The reversal of 82003886805 is 50868830028.

It is not a de Polignac number, because 82003886805 - 2⁵ = 82003886773 is a prime.

It is a super-2 number, since 2×82003886805² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1694214 + ... + 1741943.

It is an arithmetic number, because the mean of its divisors is an integer number (4308942132).

Almost surely, 2^82003886805 is an apocalyptic number.

It is an amenable number.

82003886805 is a deficient number, since it is larger than the sum of its proper divisors (55882261419).

82003886805 is a wasteful number, since it uses less digits than its factorization.

82003886805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436245.

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 82003886805 in words is "eighty-two billion, three million, eight hundred eighty-six thousand, eight hundred five".