82869505000 has 40 divisors (see below), whose sum is σ = 194163261930. Its totient is φ = 33147800000.

The previous prime is 82869504983. The next prime is 82869505063. The reversal of 82869505000 is 50596828.

It can be written as a sum of positive squares in 5 ways, for example, as 39513796 + 82829991204 = 6286^2 + 287802^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8281951 + ... + 8291950.

Almost surely, 2^82869505000 is an apocalyptic number.

It is an amenable number.

82869505000 is an abundant number, since it is smaller than the sum of its proper divisors (111293756930).

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

82869505000 is a wasteful number, since it uses less digits than its factorization.

82869505000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16573927 (or 16573908 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 82869505000 in words is "eighty-two billion, eight hundred sixty-nine million, five hundred five thousand".