88766538789 has 4 divisors (see below), whose sum is σ = 118355385056. Its totient is φ = 59177692524.

The previous prime is 88766538781. The next prime is 88766538841. The reversal of 88766538789 is 98783566788.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 88766538789 - 2³ = 88766538781 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88766538789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88766538781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14794423129 + ... + 14794423134.

It is an arithmetic number, because the mean of its divisors is an integer number (29588846264).

Almost surely, 2^88766538789 is an apocalyptic number.

It is an amenable number.

88766538789 is a deficient number, since it is larger than the sum of its proper divisors (29588846267).

88766538789 is a wasteful number, since it uses less digits than its factorization.

88766538789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29588846266.

The product of its digits is 975421440, while the sum is 75.

The spelling of 88766538789 in words is "eighty-eight billion, seven hundred sixty-six million, five hundred thirty-eight thousand, seven hundred eighty-nine".