8780725885 has 8 divisors (see below), whose sum is σ = 10761060096. Its totient is φ = 6875121360.

The previous prime is 8780725867. The next prime is 8780725901. The reversal of 8780725885 is 5885270878.

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

It is not a de Polignac number, because 8780725885 - 2¹⁷ = 8780594813 is a prime.

It is a super-2 number, since 2×8780725885² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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, 18682161 + ... + 18682630.

It is an arithmetic number, because the mean of its divisors is an integer number (1345132512).

Almost surely, 2^8780725885 is an apocalyptic number.

It is an amenable number.

8780725885 is a deficient number, since it is larger than the sum of its proper divisors (1980334211).

8780725885 is a wasteful number, since it uses less digits than its factorization.

8780725885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37364843.

The product of its (nonzero) digits is 10035200, while the sum is 58.

The square root of 8780725885 is about 93705.5275050517. The cubic root of 8780725885 is about 2063.0518347581.

The spelling of 8780725885 in words is "eight billion, seven hundred eighty million, seven hundred twenty-five thousand, eight hundred eighty-five".