80410681 has 8 divisors (see below), whose sum is σ = 87179400. Its totient is φ = 73725312.

The previous prime is 80410669. The next prime is 80410711. The reversal of 80410681 is 18601408.

It can be written as a sum of positive squares in 4 ways, for example, as 1040400 + 79370281 = 1020^2 + 8909^2 .

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 80410681 - 2¹³ = 80402489 is a prime.

It is a super-2 number, since 2×80410681² = 12931755237767522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80410601) 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, 18820 + ... + 22693.

It is an arithmetic number, because the mean of its divisors is an integer number (10897425).

Almost surely, 2^80410681 is an apocalyptic number.

It is an amenable number.

80410681 is a deficient number, since it is larger than the sum of its proper divisors (6768719).

80410681 is a wasteful number, since it uses less digits than its factorization.

80410681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41675.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 80410681 is about 8967.2002877152. The cubic root of 80410681 is about 431.6230010707.

The spelling of 80410681 in words is "eighty million, four hundred ten thousand, six hundred eighty-one".