478351278867 has 16 divisors (see below), whose sum is σ = 795181347072. Its totient is φ = 248494170720.

The previous prime is 478351278833. The next prime is 478351278871. The reversal of 478351278867 is 768872153874.

It is not a de Polignac number, because 478351278867 - 2¹⁵ = 478351246099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478351278798 and 478351278807.

It is not an unprimeable number, because it can be changed into a prime (478351274867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035392148 + ... + 1035392609.

It is an arithmetic number, because the mean of its divisors is an integer number (49698834192).

Almost surely, 2^478351278867 is an apocalyptic number.

478351278867 is a deficient number, since it is larger than the sum of its proper divisors (316830068205).

478351278867 is a wasteful number, since it uses less digits than its factorization.

478351278867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070784778.

The product of its digits is 126443520, while the sum is 66.

The spelling of 478351278867 in words is "four hundred seventy-eight billion, three hundred fifty-one million, two hundred seventy-eight thousand, eight hundred sixty-seven".