7698117312 has 224 divisors, whose sum is σ = 23301512960. Its totient is φ = 2490808320.

The previous prime is 7698117307. The next prime is 7698117313. The reversal of 7698117312 is 2137118967.

It is a super-2 number, since 2×7698117312² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7698117313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23256987 + ... + 23257317.

Almost surely, 2^7698117312 is an apocalyptic number.

7698117312 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7698117312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11650756480).

7698117312 is an abundant number, since it is smaller than the sum of its proper divisors (15603395648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7698117312 is a wasteful number, since it uses less digits than its factorization.

7698117312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 692 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 7698117312 is about 87738.9156076139. The cubic root of 7698117312 is about 1974.5198693583.

The spelling of 7698117312 in words is "seven billion, six hundred ninety-eight million, one hundred seventeen thousand, three hundred twelve".