72198483871 has 16 divisors (see below), whose sum is σ = 75008894688. Its totient is φ = 69438988800.

The previous prime is 72198483869. The next prime is 72198483947. The reversal of 72198483871 is 17838489127.

It is a cyclic number.

It is not a de Polignac number, because 72198483871 - 2¹ = 72198483869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72198484871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8007756 + ... + 8016766.

It is an arithmetic number, because the mean of its divisors is an integer number (4688055918).

Almost surely, 2^72198483871 is an apocalyptic number.

72198483871 is a deficient number, since it is larger than the sum of its proper divisors (2810410817).

72198483871 is a wasteful number, since it uses less digits than its factorization.

72198483871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11802.

The product of its digits is 5419008, while the sum is 58.

The spelling of 72198483871 in words is "seventy-two billion, one hundred ninety-eight million, four hundred eighty-three thousand, eight hundred seventy-one".