87680267 has 2 divisors, whose sum is σ = 87680268. Its totient is φ = 87680266.

The previous prime is 87680251. The next prime is 87680273. The reversal of 87680267 is 76208678.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87680267 - 2⁴ = 87680251 is a prime.

It is not a weakly prime, because it can be changed into another prime (87680167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43840133 + 43840134.

It is an arithmetic number, because the mean of its divisors is an integer number (43840134).

Almost surely, 2^87680267 is an apocalyptic number.

87680267 is a deficient number, since it is larger than the sum of its proper divisors (1).

87680267 is an equidigital number, since it uses as much as digits as its factorization.

87680267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 87680267 is about 9363.7741856583. The cubic root of 87680267 is about 444.2566675346.

The spelling of 87680267 in words is "eighty-seven million, six hundred eighty thousand, two hundred sixty-seven".