98921872071 has 12 divisors (see below), whose sum is σ = 155876889480. Its totient is φ = 59952649680.

The previous prime is 98921871991. The next prime is 98921872139. The reversal of 98921872071 is 17027812989.

It is not a de Polignac number, because 98921872071 - 2¹³ = 98921863879 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 98921871999 and 98921872017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98921872171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499605316 + ... + 499605513.

It is an arithmetic number, because the mean of its divisors is an integer number (12989740790).

Almost surely, 2^98921872071 is an apocalyptic number.

98921872071 is a deficient number, since it is larger than the sum of its proper divisors (56955017409).

98921872071 is a wasteful number, since it uses less digits than its factorization.

98921872071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999210846 (or 999210843 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 54.

The spelling of 98921872071 in words is "ninety-eight billion, nine hundred twenty-one million, eight hundred seventy-two thousand, seventy-one".