478077346475 has 24 divisors (see below), whose sum is σ = 607762892352. Its totient is φ = 372852698400.

The previous prime is 478077346471. The next prime is 478077346541. The reversal of 478077346475 is 574643770874.

It is not a de Polignac number, because 478077346475 - 2² = 478077346471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478077346471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137060 + ... + 987390.

It is an arithmetic number, because the mean of its divisors is an integer number (25323453848).

Almost surely, 2^478077346475 is an apocalyptic number.

478077346475 is a deficient number, since it is larger than the sum of its proper divisors (129685545877).

478077346475 is a wasteful number, since it uses less digits than its factorization.

478077346475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850907 (or 850902 counting only the distinct ones).

The product of its (nonzero) digits is 110638080, while the sum is 62.

The spelling of 478077346475 in words is "four hundred seventy-eight billion, seventy-seven million, three hundred forty-six thousand, four hundred seventy-five".