98140043678 has 4 divisors (see below), whose sum is σ = 147210065520. Its totient is φ = 49070021838.

The previous prime is 98140043653. The next prime is 98140043693. The reversal of 98140043678 is 87634004189.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24535010918 + ... + 24535010921.

It is an arithmetic number, because the mean of its divisors is an integer number (36802516380).

Almost surely, 2^98140043678 is an apocalyptic number.

98140043678 is a deficient number, since it is larger than the sum of its proper divisors (49070021842).

98140043678 is a wasteful number, since it uses less digits than its factorization.

98140043678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49070021841.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 98140043678 in words is "ninety-eight billion, one hundred forty million, forty-three thousand, six hundred seventy-eight".