461500671787 has 2 divisors, whose sum is σ = 461500671788. Its totient is φ = 461500671786.

The previous prime is 461500671769. The next prime is 461500671791. The reversal of 461500671787 is 787176005164.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461500671787 is a prime.

It is a super-3 number, since 3×461500671787³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (461500671767) 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 as a sum of consecutive naturals, namely, 230750335893 + 230750335894.

It is an arithmetic number, because the mean of its divisors is an integer number (230750335894).

Almost surely, 2^461500671787 is an apocalyptic number.

461500671787 is a deficient number, since it is larger than the sum of its proper divisors (1).

461500671787 is an equidigital number, since it uses as much as digits as its factorization.

461500671787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 461500671787 in words is "four hundred sixty-one billion, five hundred million, six hundred seventy-one thousand, seven hundred eighty-seven".