80662870449 has 48 divisors (see below), whose sum is σ = 137538678784. Its totient is φ = 44578447200.

The previous prime is 80662870433. The next prime is 80662870451. The reversal of 80662870449 is 94407826608.

80662870449 is a `hidden beast` number, since 8 + 0 + 6 + 628 + 7 + 0 + 4 + 4 + 9 = 666.

It is not a de Polignac number, because 80662870449 - 2⁴ = 80662870433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80662870395 and 80662870404.

It is not an unprimeable number, because it can be changed into a prime (80662870499) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3353034 + ... + 3377004.

Almost surely, 2^80662870449 is an apocalyptic number.

It is an amenable number.

80662870449 is a deficient number, since it is larger than the sum of its proper divisors (56875808335).

80662870449 is a wasteful number, since it uses less digits than its factorization.

80662870449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25738 (or 25735 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 80662870449 in words is "eighty billion, six hundred sixty-two million, eight hundred seventy thousand, four hundred forty-nine".