8260389808 has 20 divisors (see below), whose sum is σ = 17459460648. Its totient is φ = 3754722560.

The previous prime is 8260389803. The next prime is 8260389857. The reversal of 8260389808 is 8089830628.

It is a happy number.

It is a super-2 number, since 2×8260389808² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8260389803) 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, 23466841 + ... + 23467192.

Almost surely, 2^8260389808 is an apocalyptic number.

8260389808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8260389808 is an abundant number, since it is smaller than the sum of its proper divisors (9199070840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8260389808 is a wasteful number, since it uses less digits than its factorization.

8260389808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46934052 (or 46934046 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 52.

The square root of 8260389808 is about 90886.6866378129. The cubic root of 8260389808 is about 2021.4678910018.

The spelling of 8260389808 in words is "eight billion, two hundred sixty million, three hundred eighty-nine thousand, eight hundred eight".