478627571387 has 32 divisors (see below), whose sum is σ = 574025809920. Its totient is φ = 390463856640.

The previous prime is 478627571381. The next prime is 478627571423. The reversal of 478627571387 is 783175726874.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478627571387 is a prime.

It is a super-2 number, since 2×478627571387² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478627571381) 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 31 ways as a sum of consecutive naturals, for example, 4351433 + ... + 4460069.

It is an arithmetic number, because the mean of its divisors is an integer number (17938306560).

Almost surely, 2^478627571387 is an apocalyptic number.

478627571387 is a deficient number, since it is larger than the sum of its proper divisors (95398238533).

478627571387 is a wasteful number, since it uses less digits than its factorization.

478627571387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109011.

The product of its digits is 110638080, while the sum is 65.

The spelling of 478627571387 in words is "four hundred seventy-eight billion, six hundred twenty-seven million, five hundred seventy-one thousand, three hundred eighty-seven".