80673774489 has 216 divisors, whose sum is σ = 160270830720. Its totient is φ = 38835054720.

The previous prime is 80673774481. The next prime is 80673774541. The reversal of 80673774489 is 98447737608.

80673774489 is a `hidden beast` number, since 80 + 6 + 7 + 3 + 7 + 74 + 489 = 666.

It is not a de Polignac number, because 80673774489 - 2³ = 80673774481 is a prime.

It is a super-2 number, since 2×80673774489² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (80673774481) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 47650527 + ... + 47652219.

Almost surely, 2^80673774489 is an apocalyptic number.

It is an amenable number.

80673774489 is a deficient number, since it is larger than the sum of its proper divisors (79597056231).

80673774489 is a wasteful number, since it uses less digits than its factorization.

80673774489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 80673774489 in words is "eighty billion, six hundred seventy-three million, seven hundred seventy-four thousand, four hundred eighty-nine".