461622797487 has 6 divisors (see below), whose sum is σ = 666788485272. Its totient is φ = 307748531652.

The previous prime is 461622797443. The next prime is 461622797507. The reversal of 461622797487 is 784797226164.

461622797487 is a `hidden beast` number, since 4 + 6 + 1 + 62 + 2 + 7 + 97 + 487 = 666.

It is not a de Polignac number, because 461622797487 - 2²⁰ = 461621748911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461622797437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25645710963 + ... + 25645710980.

It is an arithmetic number, because the mean of its divisors is an integer number (111131414212).

Almost surely, 2^461622797487 is an apocalyptic number.

461622797487 is a deficient number, since it is larger than the sum of its proper divisors (205165687785).

461622797487 is a wasteful number, since it uses less digits than its factorization.

461622797487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51291421949 (or 51291421946 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 63.

The spelling of 461622797487 in words is "four hundred sixty-one billion, six hundred twenty-two million, seven hundred ninety-seven thousand, four hundred eighty-seven".