87275387 has 2 divisors, whose sum is σ = 87275388. Its totient is φ = 87275386.

The previous prime is 87275333. The next prime is 87275393. The reversal of 87275387 is 78357278.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87275387 - 2¹² = 87271291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87275327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43637693 + 43637694.

It is an arithmetic number, because the mean of its divisors is an integer number (43637694).

Almost surely, 2^87275387 is an apocalyptic number.

87275387 is a deficient number, since it is larger than the sum of its proper divisors (1).

87275387 is an equidigital number, since it uses as much as digits as its factorization.

87275387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560, while the sum is 47.

The square root of 87275387 is about 9342.1296822513. The cubic root of 87275387 is about 443.5717995848.

The spelling of 87275387 in words is "eighty-seven million, two hundred seventy-five thousand, three hundred eighty-seven".