87500029 has 2 divisors, whose sum is σ = 87500030. Its totient is φ = 87500028.

The previous prime is 87499967. The next prime is 87500053. The reversal of 87500029 is 92000578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73994404 + 13505625 = 8602^2 + 3675^2 .

It is a cyclic number.

It is not a de Polignac number, because 87500029 - 2¹¹ = 87497981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87500059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43750014 + 43750015.

It is an arithmetic number, because the mean of its divisors is an integer number (43750015).

Almost surely, 2^87500029 is an apocalyptic number.

It is an amenable number.

87500029 is a deficient number, since it is larger than the sum of its proper divisors (1).

87500029 is an equidigital number, since it uses as much as digits as its factorization.

87500029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 87500029 is about 9354.1450170499. The cubic root of 87500029 is about 443.9520499174.

The spelling of 87500029 in words is "eighty-seven million, five hundred thousand, twenty-nine".