80527700 has 72 divisors (see below), whose sum is σ = 200716320. Its totient is φ = 27734400.

The previous prime is 80527663. The next prime is 80527717. The reversal of 80527700 is 772508.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 18974 + ... + 22826.

Almost surely, 2^80527700 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 80527700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100358160).

80527700 is an abundant number, since it is smaller than the sum of its proper divisors (120188620).

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

80527700 is a wasteful number, since it uses less digits than its factorization.

80527700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897 (or 3890 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 80527700 is about 8973.7227503417. The cubic root of 80527700 is about 431.8322751381.

The spelling of 80527700 in words is "eighty million, five hundred twenty-seven thousand, seven hundred".