477861930 has 192 divisors, whose sum is σ = 1586527488. Its totient is φ = 100776960.

The previous prime is 477861877. The next prime is 477861949. The reversal of 477861930 is 39168774.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

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, 220050 + ... + 222210.

It is an arithmetic number, because the mean of its divisors is an integer number (8263164).

Almost surely, 2^477861930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477861930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793263744).

477861930 is an abundant number, since it is smaller than the sum of its proper divisors (1108665558).

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

477861930 is a wasteful number, since it uses less digits than its factorization.

477861930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 477861930 is about 21860.0532936221. The cubic root of 477861930 is about 781.8092615917.

The spelling of 477861930 in words is "four hundred seventy-seven million, eight hundred sixty-one thousand, nine hundred thirty".