98783972999 has 2 divisors, whose sum is σ = 98783973000. Its totient is φ = 98783972998.

The previous prime is 98783972933. The next prime is 98783973037. The reversal of 98783972999 is 99927938789.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98783972999 - 2³⁶ = 30064496263 is a prime.

It is a super-2 number, since 2×98783972999² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98783972699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49391986499 + 49391986500.

It is an arithmetic number, because the mean of its divisors is an integer number (49391986500).

Almost surely, 2^98783972999 is an apocalyptic number.

98783972999 is a deficient number, since it is larger than the sum of its proper divisors (1).

98783972999 is an equidigital number, since it uses as much as digits as its factorization.

98783972999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111065984, while the sum is 80.

The spelling of 98783972999 in words is "ninety-eight billion, seven hundred eighty-three million, nine hundred seventy-two thousand, nine hundred ninety-nine".