98979475063 has 12 divisors (see below), whose sum is σ = 119109714840. Its totient is φ = 81914047152.

The previous prime is 98979475033. The next prime is 98979475087. The reversal of 98979475063 is 36057497989.

It is a de Polignac number, because none of the positive numbers 2^k-98979475063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98979475063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98979475033) 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, 34825981 + ... + 34828822.

It is an arithmetic number, because the mean of its divisors is an integer number (9925809570).

Almost surely, 2^98979475063 is an apocalyptic number.

98979475063 is a deficient number, since it is larger than the sum of its proper divisors (20130239777).

98979475063 is a wasteful number, since it uses less digits than its factorization.

98979475063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69654846 (or 69654839 counting only the distinct ones).

The product of its (nonzero) digits is 102876480, while the sum is 67.

The spelling of 98979475063 in words is "ninety-eight billion, nine hundred seventy-nine million, four hundred seventy-five thousand, sixty-three".