88723266821 has 16 divisors (see below), whose sum is σ = 103198279680. Its totient is φ = 74704647600.

The previous prime is 88723266811. The next prime is 88723266823. The reversal of 88723266821 is 12866232788.

It is a cyclic number.

It is not a de Polignac number, because 88723266821 - 2¹⁰ = 88723265797 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 (88723266823) 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, 95105 + ... + 431846.

It is an arithmetic number, because the mean of its divisors is an integer number (6449892480).

Almost surely, 2^88723266821 is an apocalyptic number.

It is an amenable number.

88723266821 is a deficient number, since it is larger than the sum of its proper divisors (14475012859).

88723266821 is a wasteful number, since it uses less digits than its factorization.

88723266821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527384.

The product of its digits is 3096576, while the sum is 53.

The spelling of 88723266821 in words is "eighty-eight billion, seven hundred twenty-three million, two hundred sixty-six thousand, eight hundred twenty-one".