87264029 has 2 divisors, whose sum is σ = 87264030. Its totient is φ = 87264028.

The previous prime is 87263999. The next prime is 87264053. The reversal of 87264029 is 92046278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46648900 + 40615129 = 6830^2 + 6373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87264029 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87263983 and 87264001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87264059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43632014 + 43632015.

It is an arithmetic number, because the mean of its divisors is an integer number (43632015).

Almost surely, 2^87264029 is an apocalyptic number.

It is an amenable number.

87264029 is a deficient number, since it is larger than the sum of its proper divisors (1).

87264029 is an equidigital number, since it uses as much as digits as its factorization.

87264029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 87264029 is about 9341.5217711035. The cubic root of 87264029 is about 443.5525566373.

The spelling of 87264029 in words is "eighty-seven million, two hundred sixty-four thousand, twenty-nine".