80748527 has 4 divisors (see below), whose sum is σ = 81158616. Its totient is φ = 80338440.

The previous prime is 80748517. The next prime is 80748529. The reversal of 80748527 is 72584708.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80748527 is a prime.

It is a super-2 number, since 2×80748527² = 13040649225339458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80748529) 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, 204749 + ... + 205142.

It is an arithmetic number, because the mean of its divisors is an integer number (20289654).

Almost surely, 2^80748527 is an apocalyptic number.

80748527 is a deficient number, since it is larger than the sum of its proper divisors (410089).

80748527 is a wasteful number, since it uses less digits than its factorization.

80748527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410088.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 80748527 is about 8986.0184175195. The cubic root of 80748527 is about 432.2266454033.

The spelling of 80748527 in words is "eighty million, seven hundred forty-eight thousand, five hundred twenty-seven".