80920427 has 8 divisors (see below), whose sum is σ = 93747936. Its totient is φ = 68409792.

The previous prime is 80920423. The next prime is 80920451. The reversal of 80920427 is 72402908.

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 80920427 - 2² = 80920423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80920393 and 80920402.

It is not an unprimeable number, because it can be changed into a prime (80920423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78668 + ... + 79689.

It is an arithmetic number, because the mean of its divisors is an integer number (11718492).

Almost surely, 2^80920427 is an apocalyptic number.

80920427 is a deficient number, since it is larger than the sum of its proper divisors (12827509).

80920427 is a wasteful number, since it uses less digits than its factorization.

80920427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158437.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 80920427 is about 8995.5781915339. The cubic root of 80920427 is about 432.5331405659.

The spelling of 80920427 in words is "eighty million, nine hundred twenty thousand, four hundred twenty-seven".