477870 has 32 divisors (see below), whose sum is σ = 1215648. Its totient is φ = 119808.

The previous prime is 477863. The next prime is 477881. The reversal of 477870 is 78774.

477870 = 48² + 49² + ... + 115².

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42 + ... + 978.

It is an arithmetic number, because the mean of its divisors is an integer number (37989).

2⁴⁷⁷⁸⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607824).

477870 is an abundant number, since it is smaller than the sum of its proper divisors (737778).

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

477870 is a wasteful number, since it uses less digits than its factorization.

477870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 477870 is about 691.2814188158. The cubic root of 477870 is about 78.1813662560.

The spelling of 477870 in words is "four hundred seventy-seven thousand, eight hundred seventy".