98972663 has 2 divisors, whose sum is σ = 98972664. Its totient is φ = 98972662.

The previous prime is 98972639. The next prime is 98972693. The reversal of 98972663 is 36627989.

It is a weak prime.

It is an emirp because it is prime and its reverse (36627989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98972663 - 2⁸ = 98972407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98972633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49486331 + 49486332.

It is an arithmetic number, because the mean of its divisors is an integer number (49486332).

Almost surely, 2^98972663 is an apocalyptic number.

98972663 is a deficient number, since it is larger than the sum of its proper divisors (1).

98972663 is an equidigital number, since it uses as much as digits as its factorization.

98972663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The square root of 98972663 is about 9948.5005402824. The cubic root of 98972663 is about 462.5639169516.

The spelling of 98972663 in words is "ninety-eight million, nine hundred seventy-two thousand, six hundred sixty-three".