98220751985 has 32 divisors (see below), whose sum is σ = 119478481920. Its totient is φ = 77510086848.

The previous prime is 98220751957. The next prime is 98220751999. The reversal of 98220751985 is 58915702289.

It is a cyclic number.

It is not a de Polignac number, because 98220751985 - 2¹⁴ = 98220735601 is a prime.

It is a super-2 number, since 2×98220751985² (a number of 23 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 98220751985.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110733212 + ... + 110734098.

It is an arithmetic number, because the mean of its divisors is an integer number (3733702560).

Almost surely, 2^98220751985 is an apocalyptic number.

It is an amenable number.

98220751985 is a deficient number, since it is larger than the sum of its proper divisors (21257729935).

98220751985 is a wasteful number, since it uses less digits than its factorization.

98220751985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877.

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 98220751985 in words is "ninety-eight billion, two hundred twenty million, seven hundred fifty-one thousand, nine hundred eighty-five".