80943988 has 24 divisors (see below), whose sum is σ = 149032800. Its totient is φ = 38410848.

The previous prime is 80943977. The next prime is 80944001. The reversal of 80943988 is 88934908.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931 + ... + 12757.

It is an arithmetic number, because the mean of its divisors is an integer number (6209700).

Almost surely, 2^80943988 is an apocalyptic number.

It is an amenable number.

80943988 is a deficient number, since it is larger than the sum of its proper divisors (68088812).

80943988 is a wasteful number, since it uses less digits than its factorization.

80943988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11919 (or 11917 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 80943988 is about 8996.8876840828. The cubic root of 80943988 is about 432.5751156468.

The spelling of 80943988 in words is "eighty million, nine hundred forty-three thousand, nine hundred eighty-eight".