80512106 has 4 divisors (see below), whose sum is σ = 120768162. Its totient is φ = 40256052.

The previous prime is 80512067. The next prime is 80512129. The reversal of 80512106 is 60121508.

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., 47045881 + 33466225 = 6859^2 + 5785^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20128025 + ... + 20128028.

Almost surely, 2^80512106 is an apocalyptic number.

80512106 is a deficient number, since it is larger than the sum of its proper divisors (40256056).

80512106 is a wasteful number, since it uses less digits than its factorization.

80512106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40256055.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 80512106 is about 8972.8538381052. The cubic root of 80512106 is about 431.8043989033.

The spelling of 80512106 in words is "eighty million, five hundred twelve thousand, one hundred six".