80630539 has 4 divisors (see below), whose sum is σ = 87960600. Its totient is φ = 73300480.

The previous prime is 80630531. The next prime is 80630567. The reversal of 80630539 is 93503608.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80630539 - 2³ = 80630531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80630531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3665014 + ... + 3665035.

It is an arithmetic number, because the mean of its divisors is an integer number (21990150).

Almost surely, 2^80630539 is an apocalyptic number.

80630539 is a deficient number, since it is larger than the sum of its proper divisors (7330061).

80630539 is a wasteful number, since it uses less digits than its factorization.

80630539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7330060.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 80630539 is about 8979.4509297618. The cubic root of 80630539 is about 432.0160227110.

The spelling of 80630539 in words is "eighty million, six hundred thirty thousand, five hundred thirty-nine".