7687469089 has 4 divisors (see below), whose sum is σ = 7952554260. Its totient is φ = 7422383920.

The previous prime is 7687469057. The next prime is 7687469107. The reversal of 7687469089 is 9809647867.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1607368464 + 6080100625 = 40092^2 + 77975^2 .

It is a cyclic number.

It is not a de Polignac number, because 7687469089 - 2⁵ = 7687469057 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 7687469089.

It is not an unprimeable number, because it can be changed into a prime (7687469689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132542542 + ... + 132542599.

It is an arithmetic number, because the mean of its divisors is an integer number (1988138565).

Almost surely, 2^7687469089 is an apocalyptic number.

It is an amenable number.

7687469089 is a deficient number, since it is larger than the sum of its proper divisors (265085171).

7687469089 is a wasteful number, since it uses less digits than its factorization.

7687469089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265085170.

The product of its (nonzero) digits is 36578304, while the sum is 64.

The square root of 7687469089 is about 87678.2133086664. The cubic root of 7687469089 is about 1973.6090479784.

It can be divided in two parts, 7687 and 469089, that added together give a triangular number (476776 = T₉₇₆).

The spelling of 7687469089 in words is "seven billion, six hundred eighty-seven million, four hundred sixty-nine thousand, eighty-nine".