82432878 has 48 divisors (see below), whose sum is σ = 184595328. Its totient is φ = 24337600.

The previous prime is 82432871. The next prime is 82432891. The reversal of 82432878 is 87823428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82432871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110575 + ... + 111317.

It is an arithmetic number, because the mean of its divisors is an integer number (3845736).

Almost surely, 2^82432878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82432878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92297664).

82432878 is an abundant number, since it is smaller than the sum of its proper divisors (102162450).

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

82432878 is a wasteful number, since it uses less digits than its factorization.

82432878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 800 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 82432878 is about 9079.2553659427. The cubic root of 82432878 is about 435.2112911969.

The spelling of 82432878 in words is "eighty-two million, four hundred thirty-two thousand, eight hundred seventy-eight".