387854862473 has 16 divisors (see below), whose sum is σ = 419407047696. Its totient is φ = 356548608000.

The previous prime is 387854862449. The next prime is 387854862491. The reversal of 387854862473 is 374268458783.

It can be written as a sum of positive squares in 8 ways, for example, as 14274753529 + 373580108944 = 119477^2 + 611212^2 .

It is not a de Polignac number, because 387854862473 - 2¹⁶ = 387854796937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387854861473) 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 15 ways as a sum of consecutive naturals, for example, 19879223 + ... + 19898723.

It is an arithmetic number, because the mean of its divisors is an integer number (26212940481).

Almost surely, 2^387854862473 is an apocalyptic number.

It is an amenable number.

387854862473 is a deficient number, since it is larger than the sum of its proper divisors (31552185223).

387854862473 is a wasteful number, since it uses less digits than its factorization.

387854862473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25724.

The product of its digits is 216760320, while the sum is 65.

The spelling of 387854862473 in words is "three hundred eighty-seven billion, eight hundred fifty-four million, eight hundred sixty-two thousand, four hundred seventy-three".