80875255555 has 4 divisors (see below), whose sum is σ = 97050306672. Its totient is φ = 64700204440.

The previous prime is 80875255547. The next prime is 80875255561. The reversal of 80875255555 is 55555257808.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80875255555 - 2³ = 80875255547 is a prime.

It is a super-2 number, since 2×80875255555² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80875255496 and 80875255505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8087525551 + ... + 8087525560.

It is an arithmetic number, because the mean of its divisors is an integer number (24262576668).

Almost surely, 2^80875255555 is an apocalyptic number.

80875255555 is a deficient number, since it is larger than the sum of its proper divisors (16175051117).

80875255555 is a wasteful number, since it uses less digits than its factorization.

80875255555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16175051116.

The product of its (nonzero) digits is 14000000, while the sum is 55.

The spelling of 80875255555 in words is "eighty billion, eight hundred seventy-five million, two hundred fifty-five thousand, five hundred fifty-five".