88780085709 has 8 divisors (see below), whose sum is σ = 135283940160. Its totient is φ = 50731477536.

The previous prime is 88780085707. The next prime is 88780085731. The reversal of 88780085709 is 90758008788.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88780085709 - 2¹ = 88780085707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88780085707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113811544 + ... + 2113811585.

It is an arithmetic number, because the mean of its divisors is an integer number (16910492520).

Almost surely, 2^88780085709 is an apocalyptic number.

It is an amenable number.

88780085709 is a deficient number, since it is larger than the sum of its proper divisors (46503854451).

88780085709 is a wasteful number, since it uses less digits than its factorization.

88780085709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227623139.

The product of its (nonzero) digits is 9031680, while the sum is 60.

The spelling of 88780085709 in words is "eighty-eight billion, seven hundred eighty million, eighty-five thousand, seven hundred nine".