80802999999987 has 4 divisors (see below), whose sum is σ = 107737333333320. Its totient is φ = 53868666666656.

The previous prime is 80802999999949. The next prime is 80803000000031. The reversal of 80802999999987 is 78999999920808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80802999999987 - 2¹⁹ = 80802999475699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80802999999894 and 80802999999903.

It is not an unprimeable number, because it can be changed into a prime (80802999999907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13467166666662 + ... + 13467166666667.

It is an arithmetic number, because the mean of its divisors is an integer number (26934333333330).

Almost surely, 2^{80802999999987} is an apocalyptic number.

80802999999987 is a deficient number, since it is larger than the sum of its proper divisors (26934333333333).

80802999999987 is a wasteful number, since it uses less digits than its factorization.

80802999999987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26934333333332.

The product of its (nonzero) digits is 34284321792, while the sum is 96.

The spelling of 80802999999987 in words is "eighty trillion, eight hundred two billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-seven".