87232793 has 2 divisors, whose sum is σ = 87232794. Its totient is φ = 87232792.

The previous prime is 87232771. The next prime is 87232807. The reversal of 87232793 is 39723278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82228624 + 5004169 = 9068^2 + 2237^2 .

It is a cyclic number.

It is not a de Polignac number, because 87232793 - 2¹⁸ = 86970649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87232793.

It is not a weakly prime, because it can be changed into another prime (87232693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43616396 + 43616397.

It is an arithmetic number, because the mean of its divisors is an integer number (43616397).

Almost surely, 2^87232793 is an apocalyptic number.

It is an amenable number.

87232793 is a deficient number, since it is larger than the sum of its proper divisors (1).

87232793 is an equidigital number, since it uses as much as digits as its factorization.

87232793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 87232793 is about 9339.8497311252. The cubic root of 87232793 is about 443.4996273787.

The spelling of 87232793 in words is "eighty-seven million, two hundred thirty-two thousand, seven hundred ninety-three".