80529699 has 16 divisors (see below), whose sum is σ = 111805344. Its totient is φ = 51513600.

The previous prime is 80529689. The next prime is 80529703. The reversal of 80529699 is 99692508.

It is a de Polignac number, because none of the positive numbers 2^k-80529699 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2137 + ... + 12869.

It is an arithmetic number, because the mean of its divisors is an integer number (6987834).

Almost surely, 2^80529699 is an apocalyptic number.

80529699 is a deficient number, since it is larger than the sum of its proper divisors (31275645).

80529699 is a wasteful number, since it uses less digits than its factorization.

80529699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10838.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 80529699 is about 8973.8341304038. The cubic root of 80529699 is about 431.8358483416.

The spelling of 80529699 in words is "eighty million, five hundred twenty-nine thousand, six hundred ninety-nine".