80887544 has 8 divisors (see below), whose sum is σ = 151664160. Its totient is φ = 40443768.

The previous prime is 80887537. The next prime is 80887571. The reversal of 80887544 is 44578808.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 80887495 and 80887504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055464 + ... + 5055479.

It is an arithmetic number, because the mean of its divisors is an integer number (18958020).

Almost surely, 2^80887544 is an apocalyptic number.

It is an amenable number.

80887544 is a deficient number, since it is larger than the sum of its proper divisors (70776616).

80887544 is a wasteful number, since it uses less digits than its factorization.

80887544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110949 (or 10110945 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 80887544 is about 8993.7502744962. The cubic root of 80887544 is about 432.4745442601.

The spelling of 80887544 in words is "eighty million, eight hundred eighty-seven thousand, five hundred forty-four".