8697694989 has 16 divisors (see below), whose sum is σ = 12306848832. Its totient is φ = 5445043968.

The previous prime is 8697694987. The next prime is 8697694991. The reversal of 8697694989 is 9894967968.

It is an interprime number because it is at equal distance from previous prime (8697694987) and next prime (8697694991).

It is not a de Polignac number, because 8697694989 - 2¹ = 8697694987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8697694989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8697694987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169894 + ... + 215079.

It is an arithmetic number, because the mean of its divisors is an integer number (769178052).

Almost surely, 2^8697694989 is an apocalyptic number.

It is an amenable number.

8697694989 is a deficient number, since it is larger than the sum of its proper divisors (3609153843).

8697694989 is a wasteful number, since it uses less digits than its factorization.

8697694989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385436.

The product of its digits is 423263232, while the sum is 75.

The square root of 8697694989 is about 93261.4335564278. The cubic root of 8697694989 is about 2056.5284626359.

The spelling of 8697694989 in words is "eight billion, six hundred ninety-seven million, six hundred ninety-four thousand, nine hundred eighty-nine".