87500629 has 2 divisors, whose sum is σ = 87500630. Its totient is φ = 87500628.

The previous prime is 87500573. The next prime is 87500659. The reversal of 87500629 is 92600578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80730225 + 6770404 = 8985^2 + 2602^2 .

It is a cyclic number.

It is not a de Polignac number, because 87500629 - 2⁹ = 87500117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87500659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43750314 + 43750315.

It is an arithmetic number, because the mean of its divisors is an integer number (43750315).

Almost surely, 2^87500629 is an apocalyptic number.

It is an amenable number.

87500629 is a deficient number, since it is larger than the sum of its proper divisors (1).

87500629 is an equidigital number, since it uses as much as digits as its factorization.

87500629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 87500629 is about 9354.1770883387. The cubic root of 87500629 is about 443.9530646623.

The spelling of 87500629 in words is "eighty-seven million, five hundred thousand, six hundred twenty-nine".