99390527 has 2 divisors, whose sum is σ = 99390528. Its totient is φ = 99390526.

The previous prime is 99390509. The next prime is 99390553. The reversal of 99390527 is 72509399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99390527 - 2⁸ = 99390271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99390827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49695263 + 49695264.

It is an arithmetic number, because the mean of its divisors is an integer number (49695264).

Almost surely, 2^99390527 is an apocalyptic number.

99390527 is a deficient number, since it is larger than the sum of its proper divisors (1).

99390527 is an equidigital number, since it uses as much as digits as its factorization.

99390527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 99390527 is about 9969.4797757957. The cubic root of 99390527 is about 463.2139867665.

The spelling of 99390527 in words is "ninety-nine million, three hundred ninety thousand, five hundred twenty-seven".