88780338805 has 8 divisors (see below), whose sum is σ = 107214983352. Its totient is φ = 70571886528.

The previous prime is 88780338793. The next prime is 88780338817. The reversal of 88780338805 is 50883308788.

It is an interprime number because it is at equal distance from previous prime (88780338793) and next prime (88780338817).

It can be written as a sum of positive squares in 4 ways, for example, as 21025290001 + 67755048804 = 145001^2 + 260298^2 .

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 88780338805 - 2¹⁵ = 88780306037 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 88780338805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56547202 + ... + 56548771.

It is an arithmetic number, because the mean of its divisors is an integer number (13401872919).

Almost surely, 2^88780338805 is an apocalyptic number.

It is an amenable number.

88780338805 is a deficient number, since it is larger than the sum of its proper divisors (18434644547).

88780338805 is a wasteful number, since it uses less digits than its factorization.

88780338805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113096135.

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 88780338805 in words is "eighty-eight billion, seven hundred eighty million, three hundred thirty-eight thousand, eight hundred five".