72858415535198 has 4 divisors (see below), whose sum is σ = 109287623302800. Its totient is φ = 36429207767598.

The previous prime is 72858415535189. The next prime is 72858415535267. The reversal of 72858415535198 is 89153551485827.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18214603883798 + ... + 18214603883801.

It is an arithmetic number, because the mean of its divisors is an integer number (27321905825700).

Almost surely, 2^{72858415535198} is an apocalyptic number.

72858415535198 is a deficient number, since it is larger than the sum of its proper divisors (36429207767602).

72858415535198 is a wasteful number, since it uses less digits than its factorization.

72858415535198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36429207767601.

The product of its digits is 483840000, while the sum is 71.

The spelling of 72858415535198 in words is "seventy-two trillion, eight hundred fifty-eight billion, four hundred fifteen million, five hundred thirty-five thousand, one hundred ninety-eight".