98723173626 has 128 divisors (see below), whose sum is σ = 273633638400. Its totient is φ = 25631614080.

The previous prime is 98723173609. The next prime is 98723173651. The reversal of 98723173626 is 62637132789.

98723173626 is a `hidden beast` number, since 9 + 8 + 7 + 2 + 3 + 1 + 7 + 3 + 626 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16333761 + ... + 16339803.

It is an arithmetic number, because the mean of its divisors is an integer number (2137762800).

Almost surely, 2^98723173626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98723173626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136816819200).

98723173626 is an abundant number, since it is smaller than the sum of its proper divisors (174910464774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98723173626 is a wasteful number, since it uses less digits than its factorization.

98723173626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001 (or 9995 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The spelling of 98723173626 in words is "ninety-eight billion, seven hundred twenty-three million, one hundred seventy-three thousand, six hundred twenty-six".