477978476 has 6 divisors (see below), whose sum is σ = 836462340. Its totient is φ = 238989236.

The previous prime is 477978467. The next prime is 477978481. The reversal of 477978476 is 674879774.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59747306 + ... + 59747313.

It is an arithmetic number, because the mean of its divisors is an integer number (139410390).

Almost surely, 2^477978476 is an apocalyptic number.

It is an amenable number.

477978476 is a deficient number, since it is larger than the sum of its proper divisors (358483864).

477978476 is a wasteful number, since it uses less digits than its factorization.

477978476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119494623 (or 119494621 counting only the distinct ones).

The product of its digits is 16595712, while the sum is 59.

The square root of 477978476 is about 21862.7188611115. The cubic root of 477978476 is about 781.8728150507.

The spelling of 477978476 in words is "four hundred seventy-seven million, nine hundred seventy-eight thousand, four hundred seventy-six".