80540893 has 4 divisors (see below), whose sum is σ = 80615808. Its totient is φ = 80465980.

The previous prime is 80540891. The next prime is 80540899. The reversal of 80540893 is 39804508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80540893 - 2¹ = 80540891 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 (80540891) 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, 35821 + ... + 38002.

It is an arithmetic number, because the mean of its divisors is an integer number (20153952).

Almost surely, 2^80540893 is an apocalyptic number.

It is an amenable number.

80540893 is a deficient number, since it is larger than the sum of its proper divisors (74915).

80540893 is a wasteful number, since it uses less digits than its factorization.

80540893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74914.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 80540893 is about 8974.4578109209. The cubic root of 80540893 is about 431.8558564735.

The spelling of 80540893 in words is "eighty million, five hundred forty thousand, eight hundred ninety-three".