477081381 has 8 divisors (see below), whose sum is σ = 726981184. Its totient is φ = 272617920.

The previous prime is 477081347. The next prime is 477081383. The reversal of 477081381 is 183180774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 477081381 - 2¹³ = 477073189 is a prime.

It is a super-2 number, since 2×477081381² = 455213288193734322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477081383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11359060 + ... + 11359101.

It is an arithmetic number, because the mean of its divisors is an integer number (90872648).

Almost surely, 2^477081381 is an apocalyptic number.

It is an amenable number.

477081381 is a deficient number, since it is larger than the sum of its proper divisors (249899803).

477081381 is a wasteful number, since it uses less digits than its factorization.

477081381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22718171.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 477081381 is about 21842.1926783920. The cubic root of 477081381 is about 781.3833554457.

The spelling of 477081381 in words is "four hundred seventy-seven million, eighty-one thousand, three hundred eighty-one".