87867371 has 2 divisors, whose sum is σ = 87867372. Its totient is φ = 87867370.

The previous prime is 87867359. The next prime is 87867427. The reversal of 87867371 is 17376878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87867371 - 2²² = 83673067 is a prime.

It is not a weakly prime, because it can be changed into another prime (87867301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43933685 + 43933686.

It is an arithmetic number, because the mean of its divisors is an integer number (43933686).

Almost surely, 2^87867371 is an apocalyptic number.

87867371 is a deficient number, since it is larger than the sum of its proper divisors (1).

87867371 is an equidigital number, since it uses as much as digits as its factorization.

87867371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 47.

The square root of 87867371 is about 9373.7597046223. The cubic root of 87867371 is about 444.5724479892.

The spelling of 87867371 in words is "eighty-seven million, eight hundred sixty-seven thousand, three hundred seventy-one".