98734019663772 has 18 divisors (see below), whose sum is σ = 249577660816848. Its totient is φ = 32911339887912.

The previous prime is 98734019663771. The next prime is 98734019663779. The reversal of 98734019663772 is 27736691043789.

98734019663772 is a `hidden beast` number, since 9 + 8 + 7 + 3 + 401 + 96 + 63 + 7 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×98734019663772² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 98734019663772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98734019663771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1371305828628 + ... + 1371305828699.

It is an arithmetic number, because the mean of its divisors is an integer number (13865425600936).

Almost surely, 2^{98734019663772} is an apocalyptic number.

It is an amenable number.

98734019663772 is an abundant number, since it is smaller than the sum of its proper divisors (150843641153076).

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

98734019663772 is a wasteful number, since it uses less digits than its factorization.

98734019663772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742611657337 (or 2742611657332 counting only the distinct ones).

The product of its (nonzero) digits is 576108288, while the sum is 72.

The spelling of 98734019663772 in words is "ninety-eight trillion, seven hundred thirty-four billion, nineteen million, six hundred sixty-three thousand, seven hundred seventy-two".