72888288827 has 4 divisors (see below), whose sum is σ = 73569487896. Its totient is φ = 72207089760.

The previous prime is 72888288791. The next prime is 72888288829.

72888288827 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 72888288827 - 2⁶ = 72888288763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72888288829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340599374 + ... + 340599587.

It is an arithmetic number, because the mean of its divisors is an integer number (18392371974).

Almost surely, 2^72888288827 is an apocalyptic number.

72888288827 is a deficient number, since it is larger than the sum of its proper divisors (681199069).

72888288827 is a wasteful number, since it uses less digits than its factorization.

72888288827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681199068.

The product of its digits is 102760448, while the sum is 68.

The spelling of 72888288827 in words is "seventy-two billion, eight hundred eighty-eight million, two hundred eighty-eight thousand, eight hundred twenty-seven".