82172589030 has 96 divisors (see below), whose sum is σ = 245435471424. Its totient is φ = 18684960768.

The previous prime is 82172588983. The next prime is 82172589043. The reversal of 82172589030 is 3098527128.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216319 + ... + 459498.

It is an arithmetic number, because the mean of its divisors is an integer number (2556619494).

Almost surely, 2^82172589030 is an apocalyptic number.

82172589030 is an abundant number, since it is smaller than the sum of its proper divisors (163262882394).

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

82172589030 is a wasteful number, since it uses less digits than its factorization.

82172589030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676030 (or 676027 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 82172589030 in words is "eighty-two billion, one hundred seventy-two million, five hundred eighty-nine thousand, thirty".