87550699 has 2 divisors, whose sum is σ = 87550700. Its totient is φ = 87550698.

The previous prime is 87550669. The next prime is 87550747. The reversal of 87550699 is 99605578.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87550699 - 2⁵ = 87550667 is a prime.

It is not a weakly prime, because it can be changed into another prime (87550609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43775349 + 43775350.

It is an arithmetic number, because the mean of its divisors is an integer number (43775350).

Almost surely, 2^87550699 is an apocalyptic number.

87550699 is a deficient number, since it is larger than the sum of its proper divisors (1).

87550699 is an equidigital number, since it uses as much as digits as its factorization.

87550699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 87550699 is about 9356.8530500377. The cubic root of 87550699 is about 444.0377287827.

The spelling of 87550699 in words is "eighty-seven million, five hundred fifty thousand, six hundred ninety-nine".