87650357 has 2 divisors, whose sum is σ = 87650358. Its totient is φ = 87650356.

The previous prime is 87650261. The next prime is 87650359. The reversal of 87650357 is 75305678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85119076 + 2531281 = 9226^2 + 1591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87650357 is a prime.

Together with 87650359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87650359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43825178 + 43825179.

It is an arithmetic number, because the mean of its divisors is an integer number (43825179).

Almost surely, 2^87650357 is an apocalyptic number.

It is an amenable number.

87650357 is a deficient number, since it is larger than the sum of its proper divisors (1).

87650357 is an equidigital number, since it uses as much as digits as its factorization.

87650357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 87650357 is about 9362.1769370163. The cubic root of 87650357 is about 444.2061459878.

The spelling of 87650357 in words is "eighty-seven million, six hundred fifty thousand, three hundred fifty-seven".