477981137 has 8 divisors (see below), whose sum is σ = 482337792. Its totient is φ = 473634000.

The previous prime is 477981121. The next prime is 477981143. The reversal of 477981137 is 731189774.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 477981137 - 2⁴ = 477981121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 477981091 and 477981100.

It is not an unprimeable number, because it can be changed into a prime (477981337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131687 + ... + 135267.

It is an arithmetic number, because the mean of its divisors is an integer number (60292224).

Almost surely, 2^477981137 is an apocalyptic number.

It is an amenable number.

477981137 is a deficient number, since it is larger than the sum of its proper divisors (4356655).

477981137 is a wasteful number, since it uses less digits than its factorization.

477981137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759.

The product of its digits is 296352, while the sum is 47.

The square root of 477981137 is about 21862.7797180505. The cubic root of 477981137 is about 781.8742659945.

The spelling of 477981137 in words is "four hundred seventy-seven million, nine hundred eighty-one thousand, one hundred thirty-seven".