88345780439 has 16 divisors (see below), whose sum is σ = 103659283200. Its totient is φ = 75260336760.

The previous prime is 88345780433. The next prime is 88345780441. The reversal of 88345780439 is 93408754388.

It is a happy number.

It is not a de Polignac number, because 88345780439 - 2²⁰ = 88344731863 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 (88345780433) 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 15 ways as a sum of consecutive naturals, for example, 734177 + ... + 845994.

It is an arithmetic number, because the mean of its divisors is an integer number (6478705200).

Almost surely, 2^88345780439 is an apocalyptic number.

88345780439 is a deficient number, since it is larger than the sum of its proper divisors (15313502761).

88345780439 is a wasteful number, since it uses less digits than its factorization.

88345780439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580355 (or 1580341 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 88345780439 in words is "eighty-eight billion, three hundred forty-five million, seven hundred eighty thousand, four hundred thirty-nine".