98879961998601 has 32 divisors (see below), whose sum is σ = 167422029158400. Its totient is φ = 56500736014800.

The previous prime is 98879961998557. The next prime is 98879961998659. The reversal of 98879961998601 is 10689916997889.

It is not a de Polignac number, because 98879961998601 - 2¹⁵ = 98879961965833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98879961994601) 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, 4612291 + ... + 14799768.

It is an arithmetic number, because the mean of its divisors is an integer number (5231938411200).

Almost surely, 2^{98879961998601} is an apocalyptic number.

It is an amenable number.

98879961998601 is a deficient number, since it is larger than the sum of its proper divisors (68542067159799).

98879961998601 is a wasteful number, since it uses less digits than its factorization.

98879961998601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19439026 (or 19439020 counting only the distinct ones).

The product of its (nonzero) digits is 7618738176, while the sum is 90.

The spelling of 98879961998601 in words is "ninety-eight trillion, eight hundred seventy-nine billion, nine hundred sixty-one million, nine hundred ninety-eight thousand, six hundred one".