80656027 has 4 divisors (see below), whose sum is σ = 80853640. Its totient is φ = 80458416.

The previous prime is 80656019. The next prime is 80656039. The reversal of 80656027 is 72065608.

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 80656027 - 2³ = 80656019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80655983 and 80656001.

It is not an unprimeable number, because it can be changed into a prime (80656727) 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, 98193 + ... + 99010.

It is an arithmetic number, because the mean of its divisors is an integer number (20213410).

Almost surely, 2^80656027 is an apocalyptic number.

80656027 is a deficient number, since it is larger than the sum of its proper divisors (197613).

80656027 is a wasteful number, since it uses less digits than its factorization.

80656027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197612.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 80656027 is about 8980.8700580734. The cubic root of 80656027 is about 432.0615392299.

The spelling of 80656027 in words is "eighty million, six hundred fifty-six thousand, twenty-seven".