4631212287 has 64 divisors (see below), whose sum is σ = 7515849600. Its totient is φ = 2818108800.

The previous prime is 4631212283. The next prime is 4631212297. The reversal of 4631212287 is 7822121364.

It is a happy number.

4631212287 is a `hidden beast` number, since 4 + 631 + 2 + 12 + 2 + 8 + 7 = 666.

It is not a de Polignac number, because 4631212287 - 2² = 4631212283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4631212283) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5990833 + ... + 5991605.

It is an arithmetic number, because the mean of its divisors is an integer number (117435150).

Almost surely, 2^4631212287 is an apocalyptic number.

4631212287 is a deficient number, since it is larger than the sum of its proper divisors (2884637313).

4631212287 is a wasteful number, since it uses less digits than its factorization.

4631212287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 890 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4631212287 is about 68053.0108591824. The cubic root of 4631212287 is about 1666.8565639137.

The spelling of 4631212287 in words is "four billion, six hundred thirty-one million, two hundred twelve thousand, two hundred eighty-seven".