98660623 has 2 divisors, whose sum is σ = 98660624. Its totient is φ = 98660622.

The previous prime is 98660621. The next prime is 98660647. The reversal of 98660623 is 32606689.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98660623 - 2¹ = 98660621 is a prime.

Together with 98660621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98660621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49330311 + 49330312.

It is an arithmetic number, because the mean of its divisors is an integer number (49330312).

Almost surely, 2^98660623 is an apocalyptic number.

98660623 is a deficient number, since it is larger than the sum of its proper divisors (1).

98660623 is an equidigital number, since it uses as much as digits as its factorization.

98660623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 98660623 is about 9932.8053942479. The cubic root of 98660623 is about 462.0772829118.

The spelling of 98660623 in words is "ninety-eight million, six hundred sixty thousand, six hundred twenty-three".