80881126 has 4 divisors (see below), whose sum is σ = 121321692. Its totient is φ = 40440562.

The previous prime is 80881111. The next prime is 80881147. The reversal of 80881126 is 62118808.

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

It is a junction number, because it is equal to n+sod(n) for n = 80881091 and 80881100.

It is a congruent number.

It is an unprimeable number.

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, 20220280 + ... + 20220283.

It is an arithmetic number, because the mean of its divisors is an integer number (30330423).

Almost surely, 2^80881126 is an apocalyptic number.

80881126 is a deficient number, since it is larger than the sum of its proper divisors (40440566).

80881126 is a wasteful number, since it uses less digits than its factorization.

80881126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40440565.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 80881126 is about 8993.3934640935. The cubic root of 80881126 is about 432.4631057662.

The spelling of 80881126 in words is "eighty million, eight hundred eighty-one thousand, one hundred twenty-six".