80538911 has 8 divisors (see below), whose sum is σ = 85684464. Its totient is φ = 75438720.

The previous prime is 80538881. The next prime is 80538943. The reversal of 80538911 is 11983508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80538911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80538611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7640 + ... + 14813.

It is an arithmetic number, because the mean of its divisors is an integer number (10710558).

Almost surely, 2^80538911 is an apocalyptic number.

80538911 is a deficient number, since it is larger than the sum of its proper divisors (5145553).

80538911 is a wasteful number, since it uses less digits than its factorization.

80538911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22681.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 80538911 is about 8974.3473857434. The cubic root of 80538911 is about 431.8523139860.

The spelling of 80538911 in words is "eighty million, five hundred thirty-eight thousand, nine hundred eleven".