8116421235 has 64 divisors (see below), whose sum is σ = 14745937920. Its totient is φ = 3779136000.

The previous prime is 8116421233. The next prime is 8116421279. The reversal of 8116421235 is 5321246118.

It is not a de Polignac number, because 8116421235 - 2¹ = 8116421233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8116421196 and 8116421205.

It is not an unprimeable number, because it can be changed into a prime (8116421233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2780997 + ... + 2783913.

It is an arithmetic number, because the mean of its divisors is an integer number (230405280).

Almost surely, 2^8116421235 is an apocalyptic number.

8116421235 is a deficient number, since it is larger than the sum of its proper divisors (6629516685).

8116421235 is a wasteful number, since it uses less digits than its factorization.

8116421235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708.

The product of its digits is 11520, while the sum is 33.

The square root of 8116421235 is about 90091.1828926671. The cubic root of 8116421235 is about 2009.6550842529.

The spelling of 8116421235 in words is "eight billion, one hundred sixteen million, four hundred twenty-one thousand, two hundred thirty-five".