80527828887 has 120 divisors (see below), whose sum is σ = 140433955200. Its totient is φ = 45792552960.

The previous prime is 80527828861. The next prime is 80527828903. The reversal of 80527828887 is 78882872508.

80527828887 is a `hidden beast` number, since 8 + 0 + 5 + 278 + 288 + 87 = 666.

It is not a de Polignac number, because 80527828887 - 2⁸ = 80527828631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80527828847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 79809039 + ... + 79810047.

It is an arithmetic number, because the mean of its divisors is an integer number (1170282960).

Almost surely, 2^80527828887 is an apocalyptic number.

80527828887 is a deficient number, since it is larger than the sum of its proper divisors (59906126313).

80527828887 is a wasteful number, since it uses less digits than its factorization.

80527828887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539 (or 1519 counting only the distinct ones).

The product of its (nonzero) digits is 32112640, while the sum is 63.

The spelling of 80527828887 in words is "eighty billion, five hundred twenty-seven million, eight hundred twenty-eight thousand, eight hundred eighty-seven".