87863411 has 2 divisors, whose sum is σ = 87863412. Its totient is φ = 87863410.

The previous prime is 87863387. The next prime is 87863437. The reversal of 87863411 is 11436878.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87863411 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (87863441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43931705 + 43931706.

It is an arithmetic number, because the mean of its divisors is an integer number (43931706).

Almost surely, 2^87863411 is an apocalyptic number.

87863411 is a deficient number, since it is larger than the sum of its proper divisors (1).

87863411 is an equidigital number, since it uses as much as digits as its factorization.

87863411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 87863411 is about 9373.5484742972. The cubic root of 87863411 is about 444.5657692364.

The spelling of 87863411 in words is "eighty-seven million, eight hundred sixty-three thousand, four hundred eleven".