80756365 has 32 divisors (see below), whose sum is σ = 106634880. Its totient is φ = 58496256.

The previous prime is 80756363. The next prime is 80756369. The reversal of 80756365 is 56365708.

80756365 is nontrivially palindromic in base 6.

It is a cyclic number.

It is not a de Polignac number, because 80756365 - 2¹ = 80756363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80756363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216319 + ... + 216691.

It is an arithmetic number, because the mean of its divisors is an integer number (3332340).

Almost surely, 2^80756365 is an apocalyptic number.

It is an amenable number.

80756365 is a deficient number, since it is larger than the sum of its proper divisors (25878515).

80756365 is a wasteful number, since it uses less digits than its factorization.

80756365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 80756365 is about 8986.4545289007. The cubic root of 80756365 is about 432.2406299013.

The spelling of 80756365 in words is "eighty million, seven hundred fifty-six thousand, three hundred sixty-five".