477677206420 has 12 divisors (see below), whose sum is σ = 1003122133524. Its totient is φ = 191070882560.

The previous prime is 477677206397. The next prime is 477677206429. The reversal of 477677206420 is 24602776774.

It can be written as a sum of positive squares in 2 ways, for example, as 205742073744 + 271935132676 = 453588^2 + 521474^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477677206429) 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, 11941930141 + ... + 11941930180.

It is an arithmetic number, because the mean of its divisors is an integer number (83593511127).

Almost surely, 2^477677206420 is an apocalyptic number.

It is an amenable number.

477677206420 is an abundant number, since it is smaller than the sum of its proper divisors (525444927104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

477677206420 is a wasteful number, since it uses less digits than its factorization.

477677206420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23883860330 (or 23883860328 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 52.

The spelling of 477677206420 in words is "four hundred seventy-seven billion, six hundred seventy-seven million, two hundred six thousand, four hundred twenty".