477978004271 has 4 divisors (see below), whose sum is σ = 478080822000. Its totient is φ = 477875186544.

The previous prime is 477978004253. The next prime is 477978004289. The reversal of 477978004271 is 172400879774.

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

It is an interprime number because it is at equal distance from previous prime (477978004253) and next prime (477978004289).

It is a cyclic number.

It is not a de Polignac number, because 477978004271 - 2²² = 477973809967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477978004171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51401891 + ... + 51411188.

It is an arithmetic number, because the mean of its divisors is an integer number (119520205500).

Almost surely, 2^477978004271 is an apocalyptic number.

477978004271 is a deficient number, since it is larger than the sum of its proper divisors (102817729).

477978004271 is a wasteful number, since it uses less digits than its factorization.

477978004271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102817728.

The product of its (nonzero) digits is 5531904, while the sum is 56.

The spelling of 477978004271 in words is "four hundred seventy-seven billion, nine hundred seventy-eight million, four thousand, two hundred seventy-one".