80948506 has 4 divisors (see below), whose sum is σ = 121422762. Its totient is φ = 40474252.

The previous prime is 80948503. The next prime is 80948519. The reversal of 80948506 is 60584908.

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

It can be written as a sum of positive squares in only one way, i.e., 65464281 + 15484225 = 8091^2 + 3935^2 .

It is not an unprimeable number, because it can be changed into a prime (80948501) 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 as a sum of consecutive naturals, namely, 20237125 + ... + 20237128.

Almost surely, 2^80948506 is an apocalyptic number.

80948506 is a deficient number, since it is larger than the sum of its proper divisors (40474256).

80948506 is a wasteful number, since it uses less digits than its factorization.

80948506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40474255.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 80948506 is about 8997.1387674082. The cubic root of 80948506 is about 432.5831637554.

The spelling of 80948506 in words is "eighty million, nine hundred forty-eight thousand, five hundred six".