675278320473 has 12 divisors (see below), whose sum is σ = 975410943780. Its totient is φ = 450181427616.

The previous prime is 675278320469. The next prime is 675278320477. The reversal of 675278320473 is 374023872576.

675278320473 is a `hidden beast` number, since 6 + 7 + 5 + 278 + 320 + 47 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (675278320469) and next prime (675278320477).

It can be written as a sum of positive squares in 2 ways, for example, as 543245650704 + 132032669769 = 737052^2 + 363363^2 .

It is not a de Polignac number, because 675278320473 - 2² = 675278320469 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (675278320477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 952263 + ... + 1502451.

It is an arithmetic number, because the mean of its divisors is an integer number (81284245315).

Almost surely, 2^675278320473 is an apocalyptic number.

It is an amenable number.

675278320473 is a deficient number, since it is larger than the sum of its proper divisors (300132623307).

675278320473 is a wasteful number, since it uses less digits than its factorization.

675278320473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686568 (or 686565 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 54.

The spelling of 675278320473 in words is "six hundred seventy-five billion, two hundred seventy-eight million, three hundred twenty thousand, four hundred seventy-three".