477766705650 has 96 divisors (see below), whose sum is σ = 1277563105728. Its totient is φ = 117460473600.

The previous prime is 477766705621. The next prime is 477766705657. The reversal of 477766705650 is 56507667774.

It is a super-2 number, since 2×477766705650² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (477766705657) 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 47 ways as a sum of consecutive naturals, for example, 1451737 + ... + 1750163.

It is an arithmetic number, because the mean of its divisors is an integer number (13307949018).

Almost surely, 2^477766705650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477766705650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638781552864).

477766705650 is an abundant number, since it is smaller than the sum of its proper divisors (799796400078).

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

477766705650 is a wasteful number, since it uses less digits than its factorization.

477766705650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299276 (or 299271 counting only the distinct ones).

The product of its (nonzero) digits is 51861600, while the sum is 60.

The spelling of 477766705650 in words is "four hundred seventy-seven billion, seven hundred sixty-six million, seven hundred five thousand, six hundred fifty".