477807858 has 96 divisors (see below), whose sum is σ = 1200925440. Its totient is φ = 135773280.

The previous prime is 477807853. The next prime is 477807859. The reversal of 477807858 is 858708774.

It is not an unprimeable number, because it can be changed into a prime (477807851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 401941 + ... + 403127.

It is an arithmetic number, because the mean of its divisors is an integer number (12509640).

Almost surely, 2^477807858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477807858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600462720).

477807858 is an abundant number, since it is smaller than the sum of its proper divisors (723117582).

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

477807858 is a wasteful number, since it uses less digits than its factorization.

477807858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1329 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 54.

The square root of 477807858 is about 21858.8164821429. The cubic root of 477807858 is about 781.7797721916.

The spelling of 477807858 in words is "four hundred seventy-seven million, eight hundred seven thousand, eight hundred fifty-eight".