80825544 has 48 divisors (see below), whose sum is σ = 230427600. Its totient is φ = 25523424.

The previous prime is 80825543. The next prime is 80825573. The reversal of 80825544 is 44552808.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80825499 and 80825508.

It is not an unprimeable number, because it can be changed into a prime (80825543) 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 11 ways as a sum of consecutive naturals, for example, 28174 + ... + 30909.

It is an arithmetic number, because the mean of its divisors is an integer number (4800575).

Almost surely, 2^80825544 is an apocalyptic number.

It is an amenable number.

80825544 is an abundant number, since it is smaller than the sum of its proper divisors (149602056).

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

80825544 is a wasteful number, since it uses less digits than its factorization.

80825544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59114 (or 59107 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 80825544 is about 8990.3027757690. The cubic root of 80825544 is about 432.3640193093.

The spelling of 80825544 in words is "eighty million, eight hundred twenty-five thousand, five hundred forty-four".