80027775 has 18 divisors (see below), whose sum is σ = 143339040. Its totient is φ = 42681360.

The previous prime is 80027749. The next prime is 80027797. The reversal of 80027775 is 57772008.

It is not a de Polignac number, because 80027775 - 2²¹ = 77930623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 177615 + ... + 178064.

It is an arithmetic number, because the mean of its divisors is an integer number (7963280).

Almost surely, 2^80027775 is an apocalyptic number.

80027775 is a deficient number, since it is larger than the sum of its proper divisors (63311265).

80027775 is a wasteful number, since it uses less digits than its factorization.

80027775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355695 (or 355687 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 80027775 is about 8945.8244449575. The cubic root of 80027775 is about 430.9367984228.

The spelling of 80027775 in words is "eighty million, twenty-seven thousand, seven hundred seventy-five".