478766837402 has 16 divisors (see below), whose sum is σ = 822908708160. Its totient is φ = 204644397888.

The previous prime is 478766837387. The next prime is 478766837407. The reversal of 478766837402 is 204738667874.

It is a happy number.

It is a super-2 number, since 2×478766837402² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (478766837407) 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 7 ways as a sum of consecutive naturals, for example, 45110303 + ... + 45120914.

It is an arithmetic number, because the mean of its divisors is an integer number (51431794260).

Almost surely, 2^478766837402 is an apocalyptic number.

478766837402 is a deficient number, since it is larger than the sum of its proper divisors (344141870758).

478766837402 is a wasteful number, since it uses less digits than its factorization.

478766837402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90231605.

The product of its (nonzero) digits is 75866112, while the sum is 62.

The spelling of 478766837402 in words is "four hundred seventy-eight billion, seven hundred sixty-six million, eight hundred thirty-seven thousand, four hundred two".