478484977 has 4 divisors (see below), whose sum is σ = 479575360. Its totient is φ = 477394596.

The previous prime is 478484971. The next prime is 478484983. The reversal of 478484977 is 779484874.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (478484971) and next prime (478484983).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478484977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478484971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544533 + ... + 545410.

It is an arithmetic number, because the mean of its divisors is an integer number (119893840).

Almost surely, 2^478484977 is an apocalyptic number.

It is an amenable number.

478484977 is a deficient number, since it is larger than the sum of its proper divisors (1090383).

478484977 is a wasteful number, since it uses less digits than its factorization.

478484977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090382.

The product of its digits is 12644352, while the sum is 58.

The square root of 478484977 is about 21874.2994630685. The cubic root of 478484977 is about 782.1488941220.

It can be divided in two parts, 47848 and 4977, that added together give a palindrome (52825).

The spelling of 478484977 in words is "four hundred seventy-eight million, four hundred eighty-four thousand, nine hundred seventy-seven".