477401134478 has 4 divisors (see below), whose sum is σ = 716101701720. Its totient is φ = 238700567238.

The previous prime is 477401134447. The next prime is 477401134517. The reversal of 477401134478 is 874431104774.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119350283618 + ... + 119350283621.

It is an arithmetic number, because the mean of its divisors is an integer number (179025425430).

Almost surely, 2^477401134478 is an apocalyptic number.

477401134478 is a deficient number, since it is larger than the sum of its proper divisors (238700567242).

477401134478 is a wasteful number, since it uses less digits than its factorization.

477401134478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238700567241.

The product of its (nonzero) digits is 2107392, while the sum is 50.

The spelling of 477401134478 in words is "four hundred seventy-seven billion, four hundred one million, one hundred thirty-four thousand, four hundred seventy-eight".