82650281894 has 32 divisors (see below), whose sum is σ = 129466838592. Its totient is φ = 39537792000.

The previous prime is 82650281869. The next prime is 82650281921. The reversal of 82650281894 is 49818205628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661159 + ... + 1710189.

It is an arithmetic number, because the mean of its divisors is an integer number (4045838706).

Almost surely, 2^82650281894 is an apocalyptic number.

82650281894 is a deficient number, since it is larger than the sum of its proper divisors (46816556698).

82650281894 is a wasteful number, since it uses less digits than its factorization.

82650281894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49472.

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 82650281894 in words is "eighty-two billion, six hundred fifty million, two hundred eighty-one thousand, eight hundred ninety-four".