80645467 has 16 divisors (see below), whose sum is σ = 99671040. Its totient is φ = 63669888.

The previous prime is 80645449. The next prime is 80645471. The reversal of 80645467 is 76454608.

It is a cyclic number.

It is not a de Polignac number, because 80645467 - 2¹⁵ = 80612699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80645417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1617 + ... + 12802.

It is an arithmetic number, because the mean of its divisors is an integer number (6229440).

Almost surely, 2^80645467 is an apocalyptic number.

80645467 is a deficient number, since it is larger than the sum of its proper divisors (19025573).

80645467 is a wasteful number, since it uses less digits than its factorization.

80645467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14490.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 80645467 is about 8980.2821225171. The cubic root of 80645467 is about 432.0426823254.

It can be divided in two parts, 8064 and 5467, that added together give a palindrome (13531).

The spelling of 80645467 in words is "eighty million, six hundred forty-five thousand, four hundred sixty-seven".