477767860920 has 128 divisors (see below), whose sum is σ = 1820068070400. Its totient is φ = 109204080768.

The previous prime is 477767860901. The next prime is 477767860949. The reversal of 477767860920 is 29068767774.

477767860920 is a `hidden beast` number, since 477 + 7 + 6 + 78 + 6 + 0 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31590844 + ... + 31605963.

It is an arithmetic number, because the mean of its divisors is an integer number (14219281800).

Almost surely, 2^477767860920 is an apocalyptic number.

477767860920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

477767860920 is an abundant number, since it is smaller than the sum of its proper divisors (1342300209480).

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

477767860920 is a wasteful number, since it uses less digits than its factorization.

477767860920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63196834 (or 63196824 counting only the distinct ones).

The product of its (nonzero) digits is 49787136, while the sum is 63.

The spelling of 477767860920 in words is "four hundred seventy-seven billion, seven hundred sixty-seven million, eight hundred sixty thousand, nine hundred twenty".