630808883 has 2 divisors, whose sum is σ = 630808884. Its totient is φ = 630808882.

The previous prime is 630808861. The next prime is 630808901. The reversal of 630808883 is 388808036.

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-630808883 is a prime.

It is not a weakly prime, because it can be changed into another prime (630808823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315404441 + 315404442.

It is an arithmetic number, because the mean of its divisors is an integer number (315404442).

Almost surely, 2^630808883 is an apocalyptic number.

630808883 is a deficient number, since it is larger than the sum of its proper divisors (1).

630808883 is an equidigital number, since it uses as much as digits as its factorization.

630808883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 630808883 is about 25115.9089622494. The cubic root of 630808883 is about 857.6286226267.

The spelling of 630808883 in words is "six hundred thirty million, eight hundred eight thousand, eight hundred eighty-three".