787481128617 has 8 divisors (see below), whose sum is σ = 1074392857824. Its totient is φ = 512778409248.

The previous prime is 787481128573. The next prime is 787481128663. The reversal of 787481128617 is 716821184787.

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

It is not a de Polignac number, because 787481128617 - 2¹⁹ = 787480604329 is a prime.

It is a super-3 number, since 3×787481128617³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (787481121617) 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, 3052252308 + ... + 3052252565.

It is an arithmetic number, because the mean of its divisors is an integer number (134299107228).

Almost surely, 2^787481128617 is an apocalyptic number.

It is an amenable number.

787481128617 is a deficient number, since it is larger than the sum of its proper divisors (286911729207).

787481128617 is a wasteful number, since it uses less digits than its factorization.

787481128617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104504919.

The product of its digits is 8429568, while the sum is 60.

The spelling of 787481128617 in words is "seven hundred eighty-seven billion, four hundred eighty-one million, one hundred twenty-eight thousand, six hundred seventeen".