80862624642 has 32 divisors (see below), whose sum is σ = 162567665280. Its totient is φ = 26814003840.

The previous prime is 80862624641. The next prime is 80862624707. The reversal of 80862624642 is 24642626808.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80862624591 and 80862624600.

It is not an unprimeable number, because it can be changed into a prime (80862624641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1656342 + ... + 1704462.

It is an arithmetic number, because the mean of its divisors is an integer number (5080239540).

Almost surely, 2^80862624642 is an apocalyptic number.

80862624642 is an abundant number, since it is smaller than the sum of its proper divisors (81705040638).

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

80862624642 is a wasteful number, since it uses less digits than its factorization.

80862624642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49578.

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 80862624642 in words is "eighty billion, eight hundred sixty-two million, six hundred twenty-four thousand, six hundred forty-two".