80678627 has 4 divisors (see below), whose sum is σ = 80698320. Its totient is φ = 80658936.

The previous prime is 80678531. The next prime is 80678629. The reversal of 80678627 is 72687608.

It is a happy number.

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 80678627 - 2⁸ = 80678371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80678629) 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, 1127 + ... + 12752.

It is an arithmetic number, because the mean of its divisors is an integer number (20174580).

Almost surely, 2^80678627 is an apocalyptic number.

80678627 is a deficient number, since it is larger than the sum of its proper divisors (19693).

80678627 is a wasteful number, since it uses less digits than its factorization.

80678627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19692.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 80678627 is about 8982.1281999312. The cubic root of 80678627 is about 432.1018903327.

The spelling of 80678627 in words is "eighty million, six hundred seventy-eight thousand, six hundred twenty-seven".