80687898102 has 24 divisors (see below), whose sum is σ = 187722865656. Its totient is φ = 23053685088.

The previous prime is 80687898089. The next prime is 80687898107. The reversal of 80687898102 is 20189878608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80687898107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137224023 + ... + 137224610.

It is an arithmetic number, because the mean of its divisors is an integer number (7821786069).

Almost surely, 2^80687898102 is an apocalyptic number.

80687898102 is an abundant number, since it is smaller than the sum of its proper divisors (107034967554).

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

80687898102 is a wasteful number, since it uses less digits than its factorization.

80687898102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274448652 (or 274448645 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 57.

The spelling of 80687898102 in words is "eighty billion, six hundred eighty-seven million, eight hundred ninety-eight thousand, one hundred two".