80764545 has 8 divisors (see below), whose sum is σ = 129223296. Its totient is φ = 43074416.

The previous prime is 80764543. The next prime is 80764577. The reversal of 80764545 is 54546708.

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 80764545 - 2¹ = 80764543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80764543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2692137 + ... + 2692166.

It is an arithmetic number, because the mean of its divisors is an integer number (16152912).

Almost surely, 2^80764545 is an apocalyptic number.

It is an amenable number.

80764545 is a deficient number, since it is larger than the sum of its proper divisors (48458751).

80764545 is a wasteful number, since it uses less digits than its factorization.

80764545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384311.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 80764545 is about 8986.9096468141. The cubic root of 80764545 is about 432.2552236281.

It can be divided in two parts, 8076 and 4545, that added together give a palindrome (12621).

The spelling of 80764545 in words is "eighty million, seven hundred sixty-four thousand, five hundred forty-five".