80627645 has 16 divisors (see below), whose sum is σ = 111377280. Its totient is φ = 54886464.

The previous prime is 80627633. The next prime is 80627663. The reversal of 80627645 is 54672608.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80627645 - 2⁴ = 80627629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80627599 and 80627608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3422 + ... + 13151.

It is an arithmetic number, because the mean of its divisors is an integer number (6961080).

Almost surely, 2^80627645 is an apocalyptic number.

It is an amenable number.

80627645 is a deficient number, since it is larger than the sum of its proper divisors (30749635).

80627645 is a wasteful number, since it uses less digits than its factorization.

80627645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16724.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 80627645 is about 8979.2897826053. The cubic root of 80627645 is about 432.0108539940.

The spelling of 80627645 in words is "eighty million, six hundred twenty-seven thousand, six hundred forty-five".