8116427397 has 8 divisors (see below), whose sum is σ = 11654357344. Its totient is φ = 4994724528.

The previous prime is 8116427387. The next prime is 8116427413. The reversal of 8116427397 is 7937246118.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8116427397 - 2⁸ = 8116427141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8116427377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104056723 + ... + 104056800.

It is an arithmetic number, because the mean of its divisors is an integer number (1456794668).

Almost surely, 2^8116427397 is an apocalyptic number.

It is an amenable number.

8116427397 is a deficient number, since it is larger than the sum of its proper divisors (3537929947).

8116427397 is a wasteful number, since it uses less digits than its factorization.

8116427397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208113539.

The product of its digits is 508032, while the sum is 48.

The square root of 8116427397 is about 90091.2170913458. The cubic root of 8116427397 is about 2009.6555928306.

The spelling of 8116427397 in words is "eight billion, one hundred sixteen million, four hundred twenty-seven thousand, three hundred ninety-seven".