72398889327 has 16 divisors (see below), whose sum is σ = 96830885888. Its totient is φ = 48116518560.

The previous prime is 72398889317. The next prime is 72398889373.

It is a happy number.

72398889327 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 72398889327 - 2⁸ = 72398889071 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 (72398889317) 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, 2976738 + ... + 3000960.

It is an arithmetic number, because the mean of its divisors is an integer number (6051930368).

Almost surely, 2^72398889327 is an apocalyptic number.

72398889327 is a deficient number, since it is larger than the sum of its proper divisors (24431996561).

72398889327 is a wasteful number, since it uses less digits than its factorization.

72398889327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27270.

The product of its digits is 73156608, while the sum is 66.

The spelling of 72398889327 in words is "seventy-two billion, three hundred ninety-eight million, eight hundred eighty-nine thousand, three hundred twenty-seven".