7998276888 has 96 divisors (see below), whose sum is σ = 25283381760. Its totient is φ = 2236593600.

The previous prime is 7998276809. The next prime is 7998276893. The reversal of 7998276888 is 8886728997.

It is a happy number.

It is a super-2 number, since 2×7998276888² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145138 + ... + 192513.

It is an arithmetic number, because the mean of its divisors is an integer number (263368560).

Almost surely, 2^7998276888 is an apocalyptic number.

It is an amenable number.

7998276888 is an abundant number, since it is smaller than the sum of its proper divisors (17285104872).

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

7998276888 is a wasteful number, since it uses less digits than its factorization.

7998276888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337717 (or 337710 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 72.

The square root of 7998276888 is about 89433.0860923406. The cubic root of 7998276888 is about 1999.8563970227.

The spelling of 7998276888 in words is "seven billion, nine hundred ninety-eight million, two hundred seventy-six thousand, eight hundred eighty-eight".