8021469807 has 12 divisors (see below), whose sum is σ = 12477842104. Its totient is φ = 4936289040.

The previous prime is 8021469779. The next prime is 8021469809. The reversal of 8021469807 is 7089641208.

It is not a de Polignac number, because 8021469807 - 2¹¹ = 8021467759 is a prime.

It is a super-2 number, since 2×8021469807² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021469809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34279669 + ... + 34279902.

Almost surely, 2^8021469807 is an apocalyptic number.

8021469807 is a deficient number, since it is larger than the sum of its proper divisors (4456372297).

8021469807 is a wasteful number, since it uses less digits than its factorization.

8021469807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68559590 (or 68559587 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 8021469807 is about 89562.6585525463. The cubic root of 8021469807 is about 2001.7875524355.

The spelling of 8021469807 in words is "eight billion, twenty-one million, four hundred sixty-nine thousand, eight hundred seven".