87919883 has 2 divisors, whose sum is σ = 87919884. Its totient is φ = 87919882.

The previous prime is 87919877. The next prime is 87919891. The reversal of 87919883 is 38891978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87919883 - 2¹² = 87915787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87919583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43959941 + 43959942.

It is an arithmetic number, because the mean of its divisors is an integer number (43959942).

Almost surely, 2^87919883 is an apocalyptic number.

87919883 is a deficient number, since it is larger than the sum of its proper divisors (1).

87919883 is an equidigital number, since it uses as much as digits as its factorization.

87919883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 53.

The square root of 87919883 is about 9376.5602968253. The cubic root of 87919883 is about 444.6609933315.

The spelling of 87919883 in words is "eighty-seven million, nine hundred nineteen thousand, eight hundred eighty-three".