87262771 has 2 divisors, whose sum is σ = 87262772. Its totient is φ = 87262770.

The previous prime is 87262741. The next prime is 87262787. The reversal of 87262771 is 17726278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87262771 - 2¹⁷ = 87131699 is a prime.

It is a super-2 number, since 2×87262771² = 15229582405196882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87262741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43631385 + 43631386.

It is an arithmetic number, because the mean of its divisors is an integer number (43631386).

Almost surely, 2^87262771 is an apocalyptic number.

87262771 is a deficient number, since it is larger than the sum of its proper divisors (1).

87262771 is an equidigital number, since it uses as much as digits as its factorization.

87262771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 40.

The square root of 87262771 is about 9341.4544370778. The cubic root of 87262771 is about 443.5504252062.

It can be divided in two parts, 8726277 and 1, that added together give a palindrome (8726278).

The spelling of 87262771 in words is "eighty-seven million, two hundred sixty-two thousand, seven hundred seventy-one".