8430872780349 has 12 divisors (see below), whose sum is σ = 12178019385376. Its totient is φ = 5620539375432.

The previous prime is 8430872780347. The next prime is 8430872780357. The reversal of 8430872780349 is 9430872780348.

8430872780349 is a `hidden beast` number, since 8 + 430 + 87 + 2 + 7 + 80 + 3 + 49 = 666.

It is not a de Polignac number, because 8430872780349 - 2¹ = 8430872780347 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 (8430872780347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2258419 + ... + 4686384.

Almost surely, 2^{8430872780349} is an apocalyptic number.

It is an amenable number.

8430872780349 is a deficient number, since it is larger than the sum of its proper divisors (3747146605027).

8430872780349 is a wasteful number, since it uses less digits than its factorization.

8430872780349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7079696 (or 7079693 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

Subtracting 8430872780349 from its reverse (9430872780348), we obtain a palindrome (999999999999).

The spelling of 8430872780349 in words is "eight trillion, four hundred thirty billion, eight hundred seventy-two million, seven hundred eighty thousand, three hundred forty-nine".