98888765544321 has 4 divisors (see below), whose sum is σ = 131851687392432. Its totient is φ = 65925843696212.

The previous prime is 98888765544259. The next prime is 98888765544367. The reversal of 98888765544321 is 12344556788889.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98888765544321 - 2¹³ = 98888765536129 is a prime.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (98888765542321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16481460924051 + ... + 16481460924056.

It is an arithmetic number, because the mean of its divisors is an integer number (32962921848108).

Almost surely, 2^{98888765544321} is an apocalyptic number.

It is an amenable number.

98888765544321 is a deficient number, since it is larger than the sum of its proper divisors (32962921848111).

98888765544321 is a wasteful number, since it uses less digits than its factorization.

98888765544321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32962921848110.

The product of its digits is 3715891200, while the sum is 78.

The spelling of 98888765544321 in words is "ninety-eight trillion, eight hundred eighty-eight billion, seven hundred sixty-five million, five hundred forty-four thousand, three hundred twenty-one".