80827667328 has 64 divisors (see below), whose sum is σ = 215398149120. Its totient is φ = 26854755840.

The previous prime is 80827667281. The next prime is 80827667351. The reversal of 80827667328 is 82376672808.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×80827667328² (a number of 23 digits) contains 22 as substring.

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, 224928 + ... + 460703.

It is an arithmetic number, because the mean of its divisors is an integer number (3365596080).

Almost surely, 2^80827667328 is an apocalyptic number.

It is an amenable number.

80827667328 is an abundant number, since it is smaller than the sum of its proper divisors (134570481792).

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

80827667328 is a wasteful number, since it uses less digits than its factorization.

80827667328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685955 (or 685943 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 80827667328 in words is "eighty billion, eight hundred twenty-seven million, six hundred sixty-seven thousand, three hundred twenty-eight".