7688998867 has 16 divisors (see below), whose sum is σ = 8900692992. Its totient is φ = 6564539520.

The previous prime is 7688998853. The next prime is 7688998927.

7688998867 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7688998867 - 2³¹ = 5541515219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7688998793 and 7688998802.

It is not an unprimeable number, because it can be changed into a prime (7688998817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42178 + ... + 130984.

It is an arithmetic number, because the mean of its divisors is an integer number (556293312).

Almost surely, 2^7688998867 is an apocalyptic number.

7688998867 is a deficient number, since it is larger than the sum of its proper divisors (1211694125).

7688998867 is a wasteful number, since it uses less digits than its factorization.

7688998867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89298.

The product of its digits is 585252864, while the sum is 76.

The square root of 7688998867 is about 87686.9366952684. The cubic root of 7688998867 is about 1973.7399529364.

The spelling of 7688998867 in words is "seven billion, six hundred eighty-eight million, nine hundred ninety-eight thousand, eight hundred sixty-seven".