478697109660 has 1440 divisors, whose sum is σ = 1976716836864. Its totient is φ = 94842316800.

The previous prime is 478697109659. The next prime is 478697109749. The reversal of 478697109660 is 66901796874.

478697109660 is a `hidden beast` number, since 478 + 6 + 9 + 7 + 10 + 96 + 60 = 666.

478697109660 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 479 ways as a sum of consecutive naturals, for example, 3769268517 + ... + 3769268643.

Almost surely, 2^478697109660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478697109660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988358418432).

478697109660 is an abundant number, since it is smaller than the sum of its proper divisors (1498019727204).

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

478697109660 is a wasteful number, since it uses less digits than its factorization.

478697109660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 478697109660 in words is "four hundred seventy-eight billion, six hundred ninety-seven million, one hundred nine thousand, six hundred sixty".