80547972 has 48 divisors (see below), whose sum is σ = 200632320. Its totient is φ = 25062912.

The previous prime is 80547923. The next prime is 80547977. The reversal of 80547972 is 27974508.

It is not an unprimeable number, because it can be changed into a prime (80547977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24354 + ... + 27462.

It is an arithmetic number, because the mean of its divisors is an integer number (4179840).

Almost surely, 2^80547972 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 80547972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100316160).

80547972 is an abundant number, since it is smaller than the sum of its proper divisors (120084348).

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

80547972 is a wasteful number, since it uses less digits than its factorization.

80547972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260 (or 3258 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 80547972 is about 8974.8521993401. The cubic root of 80547972 is about 431.8685085063.

The spelling of 80547972 in words is "eighty million, five hundred forty-seven thousand, nine hundred seventy-two".