8798678117 has 6 divisors (see below), whose sum is σ = 9346692978. Its totient is φ = 8281108544.

The previous prime is 8798678113. The next prime is 8798678123. The reversal of 8798678117 is 7118768978.

It can be written as a sum of positive squares in 3 ways, for example, as 5358386401 + 3440291716 = 73201^2 + 58654^2 .

It is not a de Polignac number, because 8798678117 - 2² = 8798678113 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 8798678117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8798678113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15222338 + ... + 15222915.

It is an arithmetic number, because the mean of its divisors is an integer number (1557782163).

Almost surely, 2^8798678117 is an apocalyptic number.

It is an amenable number.

8798678117 is a deficient number, since it is larger than the sum of its proper divisors (548014861).

8798678117 is a wasteful number, since it uses less digits than its factorization.

8798678117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30445287 (or 30445270 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 62.

The square root of 8798678117 is about 93801.2692717961. The cubic root of 8798678117 is about 2064.4568504683.

The spelling of 8798678117 in words is "eight billion, seven hundred ninety-eight million, six hundred seventy-eight thousand, one hundred seventeen".