80814641 has 2 divisors, whose sum is σ = 80814642. Its totient is φ = 80814640.

The previous prime is 80814611. The next prime is 80814653. The reversal of 80814641 is 14641808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47128225 + 33686416 = 6865^2 + 5804^2 .

It is a cyclic number.

It is not a de Polignac number, because 80814641 - 2¹⁰ = 80813617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80814598 and 80814607.

It is not a weakly prime, because it can be changed into another prime (80814611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40407320 + 40407321.

It is an arithmetic number, because the mean of its divisors is an integer number (40407321).

Almost surely, 2^80814641 is an apocalyptic number.

It is an amenable number.

80814641 is a deficient number, since it is larger than the sum of its proper divisors (1).

80814641 is an equidigital number, since it uses as much as digits as its factorization.

80814641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 80814641 is about 8989.6963797450. The cubic root of 80814641 is about 432.3445771187.

The spelling of 80814641 in words is "eighty million, eight hundred fourteen thousand, six hundred forty-one".