473556997887 has 8 divisors (see below), whose sum is σ = 634051211520. Its totient is φ = 314383724760.

The previous prime is 473556997867. The next prime is 473556997889. The reversal of 473556997887 is 788799655374.

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

It is not a de Polignac number, because 473556997887 - 2⁷ = 473556997759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473556997889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330234289 + ... + 330235722.

It is an arithmetic number, because the mean of its divisors is an integer number (79256401440).

Almost surely, 2^473556997887 is an apocalyptic number.

473556997887 is a deficient number, since it is larger than the sum of its proper divisors (160494213633).

473556997887 is a wasteful number, since it uses less digits than its factorization.

473556997887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660470253.

The product of its digits is 3200601600, while the sum is 78.

The spelling of 473556997887 in words is "four hundred seventy-three billion, five hundred fifty-six million, nine hundred ninety-seven thousand, eight hundred eighty-seven".