8113436807677 has 4 divisors (see below), whose sum is σ = 8113856798880. Its totient is φ = 8113016816476.

The previous prime is 8113436807669. The next prime is 8113436807681. The reversal of 8113436807677 is 7767086343118.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8113436807677 - 2³ = 8113436807669 is a prime.

It is a super-2 number, since 2×8113436807677² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8113436807617) 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, 209966623 + ... + 210005260.

It is an arithmetic number, because the mean of its divisors is an integer number (2028464199720).

Almost surely, 2^{8113436807677} is an apocalyptic number.

It is an amenable number.

8113436807677 is a deficient number, since it is larger than the sum of its proper divisors (419991203).

8113436807677 is a wasteful number, since it uses less digits than its factorization.

8113436807677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419991202.

The product of its (nonzero) digits is 28449792, while the sum is 61.

The spelling of 8113436807677 in words is "eight trillion, one hundred thirteen billion, four hundred thirty-six million, eight hundred seven thousand, six hundred seventy-seven".