478903781337 has 16 divisors (see below), whose sum is σ = 651232500480. Its totient is φ = 312953315792.

The previous prime is 478903781311. The next prime is 478903781341. The reversal of 478903781337 is 733187309874.

It is not a de Polignac number, because 478903781337 - 2²⁶ = 478836672473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478903731337) 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, 3837243 + ... + 3960080.

It is an arithmetic number, because the mean of its divisors is an integer number (40702031280).

Almost surely, 2^478903781337 is an apocalyptic number.

It is an amenable number.

478903781337 is a deficient number, since it is larger than the sum of its proper divisors (172328719143).

478903781337 is a wasteful number, since it uses less digits than its factorization.

478903781337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7797732.

The product of its (nonzero) digits is 21337344, while the sum is 60.

The spelling of 478903781337 in words is "four hundred seventy-eight billion, nine hundred three million, seven hundred eighty-one thousand, three hundred thirty-seven".