87262787 has 2 divisors, whose sum is σ = 87262788. Its totient is φ = 87262786.

The previous prime is 87262771. The next prime is 87262817. The reversal of 87262787 is 78726278.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87262787 - 2⁴ = 87262771 is a prime.

It is a super-2 number, since 2×87262787² = 15229587990014738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87262727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43631393 + 43631394.

It is an arithmetic number, because the mean of its divisors is an integer number (43631394).

Almost surely, 2^87262787 is an apocalyptic number.

87262787 is a deficient number, since it is larger than the sum of its proper divisors (1).

87262787 is an equidigital number, since it uses as much as digits as its factorization.

87262787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 526848, while the sum is 47.

The square root of 87262787 is about 9341.4552934754. The cubic root of 87262787 is about 443.5504523152.

The spelling of 87262787 in words is "eighty-seven million, two hundred sixty-two thousand, seven hundred eighty-seven".