98188091052478 has 8 divisors (see below), whose sum is σ = 168322441804272. Its totient is φ = 42080610451056.

The previous prime is 98188091052473. The next prime is 98188091052503. The reversal of 98188091052478 is 87425019088189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98188091052473) 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, 3506717537575 + ... + 3506717537602.

It is an arithmetic number, because the mean of its divisors is an integer number (21040305225534).

Almost surely, 2^{98188091052478} is an apocalyptic number.

98188091052478 is a deficient number, since it is larger than the sum of its proper divisors (70134350751794).

98188091052478 is a wasteful number, since it uses less digits than its factorization.

98188091052478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013435075186.

The product of its (nonzero) digits is 92897280, while the sum is 70.

The spelling of 98188091052478 in words is "ninety-eight trillion, one hundred eighty-eight billion, ninety-one million, fifty-two thousand, four hundred seventy-eight".