80775475 has 12 divisors (see below), whose sum is σ = 109267560. Its totient is φ = 58745600.

The previous prime is 80775473. The next prime is 80775509. The reversal of 80775475 is 57457708.

It is not a de Polignac number, because 80775475 - 2¹ = 80775473 is a prime.

It is a super-2 number, since 2×80775475² = 13049354722951250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80775473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146590 + ... + 147139.

It is an arithmetic number, because the mean of its divisors is an integer number (9105630).

Almost surely, 2^80775475 is an apocalyptic number.

80775475 is a deficient number, since it is larger than the sum of its proper divisors (28492085).

80775475 is a wasteful number, since it uses less digits than its factorization.

80775475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293750 (or 293745 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 43.

The square root of 80775475 is about 8987.5177329450. The cubic root of 80775475 is about 432.2747220209.

The spelling of 80775475 in words is "eighty million, seven hundred seventy-five thousand, four hundred seventy-five".