80136008064 has 144 divisors (see below), whose sum is σ = 268248832020. Its totient is φ = 22895986176.

The previous prime is 80136008047. The next prime is 80136008087. The reversal of 80136008064 is 46080063108.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 653374 + ... + 766269.

Almost surely, 2^80136008064 is an apocalyptic number.

80136008064 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

80136008064 is an abundant number, since it is smaller than the sum of its proper divisors (188112823956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80136008064 is a wasteful number, since it uses less digits than its factorization.

80136008064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419677 (or 1419655 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 80136008064 in words is "eighty billion, one hundred thirty-six million, eight thousand, sixty-four".