83789220908 has 12 divisors (see below), whose sum is σ = 146637390312. Its totient is φ = 41892823680.

The previous prime is 83789220877. The next prime is 83789220923. The reversal of 83789220908 is 80902298738.

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, 338258 + ... + 531033.

It is an arithmetic number, because the mean of its divisors is an integer number (12219782526).

Almost surely, 2^83789220908 is an apocalyptic number.

It is an amenable number.

83789220908 is a deficient number, since it is larger than the sum of its proper divisors (62848169404).

83789220908 is a wasteful number, since it uses less digits than its factorization.

83789220908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893392 (or 893390 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 83789220908 in words is "eighty-three billion, seven hundred eighty-nine million, two hundred twenty thousand, nine hundred eight".