80299528 has 8 divisors (see below), whose sum is σ = 150561630. Its totient is φ = 40149760.

The previous prime is 80299523. The next prime is 80299573. The reversal of 80299528 is 82599208.

It can be written as a sum of positive squares in only one way, i.e., 76772644 + 3526884 = 8762^2 + 1878^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (80299523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5018713 + ... + 5018728.

Almost surely, 2^80299528 is an apocalyptic number.

It is an amenable number.

80299528 is a deficient number, since it is larger than the sum of its proper divisors (70262102).

80299528 is a wasteful number, since it uses less digits than its factorization.

80299528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037447 (or 10037443 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 80299528 is about 8961.0003905814. Note that the first 3 decimals coincide. The cubic root of 80299528 is about 431.4240295165.

The spelling of 80299528 in words is "eighty million, two hundred ninety-nine thousand, five hundred twenty-eight".