478094009545 has 8 divisors (see below), whose sum is σ = 573814047240. Its totient is φ = 382407717120.

The previous prime is 478094009531. The next prime is 478094009563. The reversal of 478094009545 is 545900490874.

It can be written as a sum of positive squares in 4 ways, for example, as 20670387984 + 457423621561 = 143772^2 + 676331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 478094009545 - 2¹⁷ = 478093878473 is a prime.

It is a super-2 number, since 2×478094009545² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8405136 + ... + 8461825.

It is an arithmetic number, because the mean of its divisors is an integer number (71726755905).

Almost surely, 2^478094009545 is an apocalyptic number.

It is an amenable number.

478094009545 is a deficient number, since it is larger than the sum of its proper divisors (95720037695).

478094009545 is a wasteful number, since it uses less digits than its factorization.

478094009545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16872635.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 478094009545 in words is "four hundred seventy-eight billion, ninety-four million, nine thousand, five hundred forty-five".