80879804 has 6 divisors (see below), whose sum is σ = 141539664. Its totient is φ = 40439900.

The previous prime is 80879803. The next prime is 80879807. The reversal of 80879804 is 40897808.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80879803) by changing a digit.

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, 10109972 + ... + 10109979.

It is an arithmetic number, because the mean of its divisors is an integer number (23589944).

Almost surely, 2^80879804 is an apocalyptic number.

It is an amenable number.

80879804 is a deficient number, since it is larger than the sum of its proper divisors (60659860).

80879804 is a wasteful number, since it uses less digits than its factorization.

80879804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20219955 (or 20219953 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 80879804 is about 8993.3199653965. The cubic root of 80879804 is about 432.4607495537.

The spelling of 80879804 in words is "eighty million, eight hundred seventy-nine thousand, eight hundred four".