98329870821 has 32 divisors (see below), whose sum is σ = 169854576640. Its totient is φ = 49136497344.

The previous prime is 98329870781. The next prime is 98329870841. The reversal of 98329870821 is 12807892389.

It is not a de Polignac number, because 98329870821 - 2⁷ = 98329870693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98329870841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9473305 + ... + 9483678.

It is an arithmetic number, because the mean of its divisors is an integer number (5307955520).

Almost surely, 2^98329870821 is an apocalyptic number.

98329870821 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

98329870821 is a deficient number, since it is larger than the sum of its proper divisors (71524705819).

98329870821 is a wasteful number, since it uses less digits than its factorization.

98329870821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18957025.

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 98329870821 in words is "ninety-eight billion, three hundred twenty-nine million, eight hundred seventy thousand, eight hundred twenty-one".