461634787 has 2 divisors, whose sum is σ = 461634788. Its totient is φ = 461634786.

The previous prime is 461634751. The next prime is 461634923. The reversal of 461634787 is 787436164.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461634787 is a prime.

It is not a weakly prime, because it can be changed into another prime (461634727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230817393 + 230817394.

It is an arithmetic number, because the mean of its divisors is an integer number (230817394).

Almost surely, 2^461634787 is an apocalyptic number.

461634787 is a deficient number, since it is larger than the sum of its proper divisors (1).

461634787 is an equidigital number, since it uses as much as digits as its factorization.

461634787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 46.

The square root of 461634787 is about 21485.6879573357. The cubic root of 461634787 is about 772.8576487562.

The spelling of 461634787 in words is "four hundred sixty-one million, six hundred thirty-four thousand, seven hundred eighty-seven".