395554473487 has 4 divisors (see below), whose sum is σ = 397130387976. Its totient is φ = 393978559000.

The previous prime is 395554473467. The next prime is 395554473491. The reversal of 395554473487 is 784374455593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784374455593 = 883049 ⋅888257.

It is a cyclic number.

It is not a de Polignac number, because 395554473487 - 2¹⁵ = 395554440719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395554473427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787956868 + ... + 787957369.

It is an arithmetic number, because the mean of its divisors is an integer number (99282596994).

Almost surely, 2^395554473487 is an apocalyptic number.

395554473487 is a deficient number, since it is larger than the sum of its proper divisors (1575914489).

395554473487 is a wasteful number, since it uses less digits than its factorization.

395554473487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575914488.

The product of its digits is 254016000, while the sum is 64.

The spelling of 395554473487 in words is "three hundred ninety-five billion, five hundred fifty-four million, four hundred seventy-three thousand, four hundred eighty-seven".