477213655 has 4 divisors (see below), whose sum is σ = 572656392. Its totient is φ = 381770920.

The previous prime is 477213631. The next prime is 477213673. The reversal of 477213655 is 556312774.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-477213655 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47721361 + ... + 47721370.

It is an arithmetic number, because the mean of its divisors is an integer number (143164098).

Almost surely, 2^477213655 is an apocalyptic number.

477213655 is a deficient number, since it is larger than the sum of its proper divisors (95442737).

477213655 is an equidigital number, since it uses as much as digits as its factorization.

477213655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95442736.

The product of its digits is 176400, while the sum is 40.

The square root of 477213655 is about 21845.2204154593. The cubic root of 477213655 is about 781.4555633579.

The spelling of 477213655 in words is "four hundred seventy-seven million, two hundred thirteen thousand, six hundred fifty-five".