477865487520 has 576 divisors, whose sum is σ = 1798052256000. Its totient is φ = 119435378688.

The previous prime is 477865487507. The next prime is 477865487551. The reversal of 477865487520 is 25784568774.

It is a happy number.

477865487520 is a `hidden beast` number, since 4 + 7 + 7 + 8 + 65 + 48 + 7 + 520 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 173831106 + ... + 173833854.

It is an arithmetic number, because the mean of its divisors is an integer number (3121618500).

Almost surely, 2^477865487520 is an apocalyptic number.

477865487520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477865487520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899026128000).

477865487520 is an abundant number, since it is smaller than the sum of its proper divisors (1320186768480).

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

477865487520 is a wasteful number, since it uses less digits than its factorization.

477865487520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 105369600, while the sum is 63.

The spelling of 477865487520 in words is "four hundred seventy-seven billion, eight hundred sixty-five million, four hundred eighty-seven thousand, five hundred twenty".