82386921894 has 8 divisors (see below), whose sum is σ = 164773843800. Its totient is φ = 27462307296.

The previous prime is 82386921811. The next prime is 82386921919. The reversal of 82386921894 is 49812968328.

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

82386921894 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6865576819 + ... + 6865576830.

It is an arithmetic number, because the mean of its divisors is an integer number (20596730475).

Almost surely, 2^82386921894 is an apocalyptic number.

82386921894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82386921894 is a wasteful number, since it uses less digits than its factorization.

82386921894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13731153654.

The product of its digits is 11943936, while the sum is 60.

The spelling of 82386921894 in words is "eighty-two billion, three hundred eighty-six million, nine hundred twenty-one thousand, eight hundred ninety-four".