72898889827 has 8 divisors (see below), whose sum is σ = 76162222080. Its totient is φ = 69643375560.

The previous prime is 72898889801. The next prime is 72898889831.

72898889827 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 72898889827 - 2³⁵ = 38539151459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72898884827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935427 + ... + 1972732.

It is an arithmetic number, because the mean of its divisors is an integer number (9520277760).

Almost surely, 2^72898889827 is an apocalyptic number.

72898889827 is a deficient number, since it is larger than the sum of its proper divisors (3263332253).

72898889827 is a wasteful number, since it uses less digits than its factorization.

72898889827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908993.

The product of its digits is 520224768, while the sum is 76.

The spelling of 72898889827 in words is "seventy-two billion, eight hundred ninety-eight million, eight hundred eighty-nine thousand, eight hundred twenty-seven".