80388884 has 6 divisors (see below), whose sum is σ = 140680554. Its totient is φ = 40194440.

The previous prime is 80388883. The next prime is 80388907. The reversal of 80388884 is 48888308.

It can be written as a sum of positive squares in only one way, i.e., 60497284 + 19891600 = 7778^2 + 4460^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80388881) 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, 10048607 + ... + 10048614.

It is an arithmetic number, because the mean of its divisors is an integer number (23446759).

Almost surely, 2^80388884 is an apocalyptic number.

It is an amenable number.

80388884 is a deficient number, since it is larger than the sum of its proper divisors (60291670).

80388884 is a wasteful number, since it uses less digits than its factorization.

80388884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20097225 (or 20097223 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 47.

The square root of 80388884 is about 8965.9848315732. The cubic root of 80388884 is about 431.5839973933.

The spelling of 80388884 in words is "eighty million, three hundred eighty-eight thousand, eight hundred eighty-four".