481228687 has 2 divisors, whose sum is σ = 481228688. Its totient is φ = 481228686.

The previous prime is 481228667. The next prime is 481228729. The reversal of 481228687 is 786822184.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481228687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481228667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240614343 + 240614344.

It is an arithmetic number, because the mean of its divisors is an integer number (240614344).

Almost surely, 2^481228687 is an apocalyptic number.

481228687 is a deficient number, since it is larger than the sum of its proper divisors (1).

481228687 is an equidigital number, since it uses as much as digits as its factorization.

481228687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 344064, while the sum is 46.

The square root of 481228687 is about 21936.9251947487. The cubic root of 481228687 is about 783.6410349731.

The spelling of 481228687 in words is "four hundred eighty-one million, two hundred twenty-eight thousand, six hundred eighty-seven".