8419276861 has 8 divisors (see below), whose sum is σ = 8466616440. Its totient is φ = 8372068608.

The previous prime is 8419276847. The next prime is 8419276867. The reversal of 8419276861 is 1686729148.

It can be written as a sum of positive squares in 4 ways, for example, as 2547119961 + 5872156900 = 50469^2 + 76630^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8419276861 - 2²³ = 8410888253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8419276799 and 8419276808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8419276867) 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, 97185 + ... + 162121.

It is an arithmetic number, because the mean of its divisors is an integer number (1058327055).

Almost surely, 2^8419276861 is an apocalyptic number.

It is an amenable number.

8419276861 is a deficient number, since it is larger than the sum of its proper divisors (47339579).

8419276861 is a wasteful number, since it uses less digits than its factorization.

8419276861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65663.

The product of its digits is 1161216, while the sum is 52.

The square root of 8419276861 is about 91756.6175324701. The cubic root of 8419276861 is about 2034.3465201903.

The spelling of 8419276861 in words is "eight billion, four hundred nineteen million, two hundred seventy-six thousand, eight hundred sixty-one".