481966687 has 2 divisors, whose sum is σ = 481966688. Its totient is φ = 481966686.

The previous prime is 481966637. The next prime is 481966697. The reversal of 481966687 is 786669184.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 481966687 - 2¹⁹ = 481442399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481966637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240983343 + 240983344.

It is an arithmetic number, because the mean of its divisors is an integer number (240983344).

Almost surely, 2^481966687 is an apocalyptic number.

481966687 is a deficient number, since it is larger than the sum of its proper divisors (1).

481966687 is an equidigital number, since it uses as much as digits as its factorization.

481966687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 55.

The square root of 481966687 is about 21953.7397042053. The cubic root of 481966687 is about 784.0414209816.

It can be divided in two parts, 481966 and 687, that added together give a triangular number (482653 = T₉₈₂).

The spelling of 481966687 in words is "four hundred eighty-one million, nine hundred sixty-six thousand, six hundred eighty-seven".