80475278859 has 24 divisors (see below), whose sum is σ = 120378498240. Its totient is φ = 51771130992.

The previous prime is 80475278837. The next prime is 80475278911. The reversal of 80475278859 is 95887257408.

80475278859 is a `hidden beast` number, since 80 + 475 + 2 + 7 + 8 + 85 + 9 = 666.

It is not a de Polignac number, because 80475278859 - 2¹⁹ = 80474754571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80475278796 and 80475278805.

It is not an unprimeable number, because it can be changed into a prime (80475278159) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1220569 + ... + 1284810.

It is an arithmetic number, because the mean of its divisors is an integer number (5015770760).

Almost surely, 2^80475278859 is an apocalyptic number.

80475278859 is a deficient number, since it is larger than the sum of its proper divisors (39903219381).

80475278859 is a wasteful number, since it uses less digits than its factorization.

80475278859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505511 (or 2505508 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 63.

The spelling of 80475278859 in words is "eighty billion, four hundred seventy-five million, two hundred seventy-eight thousand, eight hundred fifty-nine".