8120892808 has 32 divisors (see below), whose sum is σ = 18158520960. Its totient is φ = 3329061120.

The previous prime is 8120892781. The next prime is 8120892827. The reversal of 8120892808 is 8082980218.

It is a super-2 number, since 2×8120892808² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3151233 + ... + 3153808.

It is an arithmetic number, because the mean of its divisors is an integer number (567453780).

Almost surely, 2^8120892808 is an apocalyptic number.

It is an amenable number.

8120892808 is an abundant number, since it is smaller than the sum of its proper divisors (10037628152).

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

8120892808 is a wasteful number, since it uses less digits than its factorization.

8120892808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6305077 (or 6305073 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 46.

The square root of 8120892808 is about 90115.9964046340. The cubic root of 8120892808 is about 2010.0240756833.

The spelling of 8120892808 in words is "eight billion, one hundred twenty million, eight hundred ninety-two thousand, eight hundred eight".