80838708489 has 144 divisors (see below), whose sum is σ = 152219658240. Its totient is φ = 40864824000.

The previous prime is 80838708481. The next prime is 80838708527. The reversal of 80838708489 is 98480783808.

80838708489 is a `hidden beast` number, since 8 + 0 + 83 + 8 + 70 + 8 + 489 = 666.

It is not a de Polignac number, because 80838708489 - 2³ = 80838708481 is a prime.

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 (80838708481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 27207774 + ... + 27210744.

It is an arithmetic number, because the mean of its divisors is an integer number (1057080960).

Almost surely, 2^80838708489 is an apocalyptic number.

It is an amenable number.

80838708489 is a deficient number, since it is larger than the sum of its proper divisors (71380949751).

80838708489 is a wasteful number, since it uses less digits than its factorization.

80838708489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152 (or 3142 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 63.

The spelling of 80838708489 in words is "eighty billion, eight hundred thirty-eight million, seven hundred eight thousand, four hundred eighty-nine".