80827770088 has 32 divisors (see below), whose sum is σ = 165043758600. Its totient is φ = 36885961728.

The previous prime is 80827770043. The next prime is 80827770091. The reversal of 80827770088 is 88007772808.

It can be written as a sum of positive squares in 4 ways, for example, as 45385189444 + 35442580644 = 213038^2 + 188262^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4356981 + ... + 4375492.

Almost surely, 2^80827770088 is an apocalyptic number.

It is an amenable number.

80827770088 is an abundant number, since it is smaller than the sum of its proper divisors (84215988512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80827770088 is a wasteful number, since it uses less digits than its factorization.

80827770088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8732581 (or 8732577 counting only the distinct ones).

The product of its (nonzero) digits is 2809856, while the sum is 55.

The spelling of 80827770088 in words is "eighty billion, eight hundred twenty-seven million, seven hundred seventy thousand, eighty-eight".