83214209988 has 72 divisors (see below), whose sum is σ = 258888663488. Its totient is φ = 21946603968.

The previous prime is 83214209963. The next prime is 83214210007. The reversal of 83214209988 is 88990241238.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12697306 + ... + 12703857.

Almost surely, 2^83214209988 is an apocalyptic number.

It is an amenable number.

83214209988 is an abundant number, since it is smaller than the sum of its proper divisors (175674453500).

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

83214209988 is a wasteful number, since it uses less digits than its factorization.

83214209988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25401193 (or 25401188 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 83214209988 in words is "eighty-three billion, two hundred fourteen million, two hundred nine thousand, nine hundred eighty-eight".