82154563080 has 128 divisors (see below), whose sum is σ = 247900625280. Its totient is φ = 21780541440.

The previous prime is 82154563061. The next prime is 82154563081. The reversal of 82154563080 is 8036545128.

It is not an unprimeable number, because it can be changed into a prime (82154563081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15506992 + ... + 15512288.

It is an arithmetic number, because the mean of its divisors is an integer number (1936723635).

Almost surely, 2^82154563080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82154563080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123950312640).

82154563080 is an abundant number, since it is smaller than the sum of its proper divisors (165746062200).

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

82154563080 is a wasteful number, since it uses less digits than its factorization.

82154563080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6039 (or 6035 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 82154563080 in words is "eighty-two billion, one hundred fifty-four million, five hundred sixty-three thousand, eighty".