8645077469 has 16 divisors (see below), whose sum is σ = 10032230400. Its totient is φ = 7296063984.

The previous prime is 8645077447. The next prime is 8645077481. The reversal of 8645077469 is 9647705468.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8645077469 is a prime.

It is a super-2 number, since 2×8645077469² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8645077409) 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, 1910792 + ... + 1915310.

It is an arithmetic number, because the mean of its divisors is an integer number (627014400).

Almost surely, 2^8645077469 is an apocalyptic number.

It is an amenable number.

8645077469 is a deficient number, since it is larger than the sum of its proper divisors (1387152931).

8645077469 is a wasteful number, since it uses less digits than its factorization.

8645077469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The square root of 8645077469 is about 92978.9087320345. The cubic root of 8645077469 is about 2052.3730179393.

The spelling of 8645077469 in words is "eight billion, six hundred forty-five million, seventy-seven thousand, four hundred sixty-nine".