80529678 has 24 divisors (see below), whose sum is σ = 174997368. Its totient is φ = 26763792.

The previous prime is 80529653. The next prime is 80529679. The reversal of 80529678 is 87692508.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80529679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201 + ... + 12692.

It is an arithmetic number, because the mean of its divisors is an integer number (7291557).

Almost surely, 2^80529678 is an apocalyptic number.

80529678 is an abundant number, since it is smaller than the sum of its proper divisors (94467690).

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

80529678 is a wasteful number, since it uses less digits than its factorization.

80529678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13248 (or 13245 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 80529678 is about 8973.8329603353. The cubic root of 80529678 is about 431.8358108045.

The spelling of 80529678 in words is "eighty million, five hundred twenty-nine thousand, six hundred seventy-eight".