80523576 has 48 divisors (see below), whose sum is σ = 249241200. Its totient is φ = 23006592.

The previous prime is 80523557. The next prime is 80523593. The reversal of 80523576 is 67532508.

80523576 is a `hidden beast` number, since 80 + 5 + 2 + 3 + 576 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 80523576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79381 + ... + 80388.

It is an arithmetic number, because the mean of its divisors is an integer number (5192525).

Almost surely, 2^80523576 is an apocalyptic number.

It is an amenable number.

80523576 is an abundant number, since it is smaller than the sum of its proper divisors (168717624).

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

80523576 is a wasteful number, since it uses less digits than its factorization.

80523576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159788 (or 159781 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 80523576 is about 8973.4929653954. The cubic root of 80523576 is about 431.8249033199.

It can be divided in two parts, 8052 and 3576, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 80523576 in words is "eighty million, five hundred twenty-three thousand, five hundred seventy-six".