87273607 has 2 divisors, whose sum is σ = 87273608. Its totient is φ = 87273606.

The previous prime is 87273547. The next prime is 87273611. The reversal of 87273607 is 70637278.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87273607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87273607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87273677) 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, 43636803 + 43636804.

It is an arithmetic number, because the mean of its divisors is an integer number (43636804).

Almost surely, 2^87273607 is an apocalyptic number.

87273607 is a deficient number, since it is larger than the sum of its proper divisors (1).

87273607 is an equidigital number, since it uses as much as digits as its factorization.

87273607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 87273607 is about 9342.0344144089. The cubic root of 87273607 is about 443.5687839841.

The spelling of 87273607 in words is "eighty-seven million, two hundred seventy-three thousand, six hundred seven".