80628805439 has 8 divisors (see below), whose sum is σ = 99235452960. Its totient is φ = 63794219616.

The previous prime is 80628805429. The next prime is 80628805447. The reversal of 80628805439 is 93450882608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80628805439 - 2¹² = 80628801343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80628805429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443015324 + ... + 443015505.

It is an arithmetic number, because the mean of its divisors is an integer number (12404431620).

Almost surely, 2^80628805439 is an apocalyptic number.

80628805439 is a deficient number, since it is larger than the sum of its proper divisors (18606647521).

80628805439 is a wasteful number, since it uses less digits than its factorization.

80628805439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886030849.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 80628805439 in words is "eighty billion, six hundred twenty-eight million, eight hundred five thousand, four hundred thirty-nine".