30876863 has 2 divisors, whose sum is σ = 30876864. Its totient is φ = 30876862.

The previous prime is 30876841. The next prime is 30876877. The reversal of 30876863 is 36867803.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30876863 - 2⁶ = 30876799 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30876863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30876893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15438431 + 15438432.

It is an arithmetic number, because the mean of its divisors is an integer number (15438432).

Almost surely, 2^30876863 is an apocalyptic number.

30876863 is a deficient number, since it is larger than the sum of its proper divisors (1).

30876863 is an equidigital number, since it uses as much as digits as its factorization.

30876863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 30876863 is about 5556.6953308599. The cubic root of 30876863 is about 313.7215776119.

The spelling of 30876863 in words is "thirty million, eight hundred seventy-six thousand, eight hundred sixty-three".