478001961 has 12 divisors (see below), whose sum is σ = 690655680. Its totient is φ = 318571800.

The previous prime is 478001959. The next prime is 478001969. The reversal of 478001961 is 169100874.

It is not a de Polignac number, because 478001961 - 2¹ = 478001959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478001969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36436 + ... + 47786.

It is an arithmetic number, because the mean of its divisors is an integer number (57554640).

Almost surely, 2^478001961 is an apocalyptic number.

It is an amenable number.

478001961 is a deficient number, since it is larger than the sum of its proper divisors (212653719).

478001961 is a wasteful number, since it uses less digits than its factorization.

478001961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16036 (or 16033 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 478001961 is about 21863.2559560556. The cubic root of 478001961 is about 781.8856203569.

It can be divided in two parts, 47 and 8001961, that added together give a palindrome (8002008).

The spelling of 478001961 in words is "four hundred seventy-eight million, one thousand, nine hundred sixty-one".