6988617147 has 8 divisors (see below), whose sum is σ = 9343139344. Its totient is φ = 4646586528.

The previous prime is 6988617131. The next prime is 6988617149. The reversal of 6988617147 is 7417168896.

It is a happy number.

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

It is not a de Polignac number, because 6988617147 - 2⁴ = 6988617131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6988617149) 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, 3121588 + ... + 3123825.

It is an arithmetic number, because the mean of its divisors is an integer number (1167892418).

Almost surely, 2^6988617147 is an apocalyptic number.

6988617147 is a deficient number, since it is larger than the sum of its proper divisors (2354522197).

6988617147 is a wasteful number, since it uses less digits than its factorization.

6988617147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245789.

The product of its digits is 4064256, while the sum is 57.

The square root of 6988617147 is about 83597.9494186311. The cubic root of 6988617147 is about 1911.8937338270.

The spelling of 6988617147 in words is "six billion, nine hundred eighty-eight million, six hundred seventeen thousand, one hundred forty-seven".