82175063800 has 24 divisors (see below), whose sum is σ = 191057023800. Its totient is φ = 32870025440.

The previous prime is 82175063791. The next prime is 82175063819. The reversal of 82175063800 is 836057128.

It is a super-2 number, since 2×82175063800² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205437460 + ... + 205437859.

It is an arithmetic number, because the mean of its divisors is an integer number (7960709325).

Almost surely, 2^82175063800 is an apocalyptic number.

It is an amenable number.

82175063800 is an abundant number, since it is smaller than the sum of its proper divisors (108881960000).

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

82175063800 is a wasteful number, since it uses less digits than its factorization.

82175063800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410875335 (or 410875326 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 82175063800 in words is "eighty-two billion, one hundred seventy-five million, sixty-three thousand, eight hundred".