98722618479 has 20 divisors (see below), whose sum is σ = 147504785736. Its totient is φ = 65801576016.

The previous prime is 98722618427. The next prime is 98722618513. The reversal of 98722618479 is 97481622789.

98722618479 is a `hidden beast` number, since 9 + 8 + 7 + 2 + 2 + 618 + 4 + 7 + 9 = 666.

It is not a de Polignac number, because 98722618479 - 2¹² = 98722614383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98722618279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 280272 + ... + 525354.

Almost surely, 2^98722618479 is an apocalyptic number.

98722618479 is a deficient number, since it is larger than the sum of its proper divisors (48782167257).

98722618479 is a wasteful number, since it uses less digits than its factorization.

98722618479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250068 (or 250059 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The spelling of 98722618479 in words is "ninety-eight billion, seven hundred twenty-two million, six hundred eighteen thousand, four hundred seventy-nine".