80822502 has 64 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 26136000.

The previous prime is 80822479. The next prime is 80822503. The reversal of 80822502 is 20522808.

80822502 is a `hidden beast` number, since 80 + 82 + 2 + 502 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80822503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321877 + ... + 322127.

It is an arithmetic number, because the mean of its divisors is an integer number (2891700).

Almost surely, 2^80822502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80822502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92534400).

80822502 is an abundant number, since it is smaller than the sum of its proper divisors (104246298).

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

80822502 is a wasteful number, since it uses less digits than its factorization.

80822502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 80822502 is about 8990.1335918884. The cubic root of 80822502 is about 432.3585950016.

The spelling of 80822502 in words is "eighty million, eight hundred twenty-two thousand, five hundred two".