98020661280 has 48 divisors (see below), whose sum is σ = 308765084544. Its totient is φ = 26138842880.

The previous prime is 98020661251. The next prime is 98020661303. The reversal of 98020661280 is 8216602089.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102104376 + ... + 102105335.

It is an arithmetic number, because the mean of its divisors is an integer number (6432605928).

Almost surely, 2^98020661280 is an apocalyptic number.

It is an amenable number.

98020661280 is an abundant number, since it is smaller than the sum of its proper divisors (210744423264).

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

98020661280 is a wasteful number, since it uses less digits than its factorization.

98020661280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204209729 (or 204209721 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 98020661280 in words is "ninety-eight billion, twenty million, six hundred sixty-one thousand, two hundred eighty".