477247359081 has 4 divisors (see below), whose sum is σ = 636329812112. Its totient is φ = 318164906052.

The previous prime is 477247359079. The next prime is 477247359091. The reversal of 477247359081 is 180953742774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 477247359081 - 2¹ = 477247359079 is a prime.

It is a super-2 number, since 2×477247359081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477247359011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79541226511 + ... + 79541226516.

It is an arithmetic number, because the mean of its divisors is an integer number (159082453028).

Almost surely, 2^477247359081 is an apocalyptic number.

It is an amenable number.

477247359081 is a deficient number, since it is larger than the sum of its proper divisors (159082453031).

477247359081 is a wasteful number, since it uses less digits than its factorization.

477247359081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159082453030.

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 477247359081 in words is "four hundred seventy-seven billion, two hundred forty-seven million, three hundred fifty-nine thousand, eighty-one".