487122957751 has 4 divisors (see below), whose sum is σ = 487190686752. Its totient is φ = 487055228752.

The previous prime is 487122957721. The next prime is 487122957767. The reversal of 487122957751 is 157759221784.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 487122957751 - 2¹¹ = 487122955703 is a prime.

It is a Smith number, since the sum of its digits (58) 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 not an unprimeable number, because it can be changed into a prime (487122957721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33853711 + ... + 33868096.

It is an arithmetic number, because the mean of its divisors is an integer number (121797671688).

Almost surely, 2^487122957751 is an apocalyptic number.

487122957751 is a deficient number, since it is larger than the sum of its proper divisors (67729001).

487122957751 is an equidigital number, since it uses as much as digits as its factorization.

487122957751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67729000.

The product of its digits is 9878400, while the sum is 58.

The spelling of 487122957751 in words is "four hundred eighty-seven billion, one hundred twenty-two million, nine hundred fifty-seven thousand, seven hundred fifty-one".