87476863 has 2 divisors, whose sum is σ = 87476864. Its totient is φ = 87476862.

The previous prime is 87476861. The next prime is 87476891. The reversal of 87476863 is 36867478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87476863 - 2¹ = 87476861 is a prime.

Together with 87476861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87476861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43738431 + 43738432.

It is an arithmetic number, because the mean of its divisors is an integer number (43738432).

Almost surely, 2^87476863 is an apocalyptic number.

87476863 is a deficient number, since it is larger than the sum of its proper divisors (1).

87476863 is an equidigital number, since it uses as much as digits as its factorization.

87476863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 49.

The square root of 87476863 is about 9352.9066604986. The cubic root of 87476863 is about 443.9128670696.

The spelling of 87476863 in words is "eighty-seven million, four hundred seventy-six thousand, eight hundred sixty-three".