80827844 has 6 divisors (see below), whose sum is σ = 141448734. Its totient is φ = 40413920.

The previous prime is 80827841. The next prime is 80827847. The reversal of 80827844 is 44872808.

It is an interprime number because it is at equal distance from previous prime (80827841) and next prime (80827847).

It can be written as a sum of positive squares in only one way, i.e., 80820100 + 7744 = 8990^2 + 88^2 .

It is not an unprimeable number, because it can be changed into a prime (80827841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10103477 + ... + 10103484.

It is an arithmetic number, because the mean of its divisors is an integer number (23574789).

Almost surely, 2^80827844 is an apocalyptic number.

It is an amenable number.

80827844 is a deficient number, since it is larger than the sum of its proper divisors (60620890).

80827844 is a wasteful number, since it uses less digits than its factorization.

80827844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20206965 (or 20206963 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 80827844 is about 8990.4306904619. The cubic root of 80827844 is about 432.3681204377.

The spelling of 80827844 in words is "eighty million, eight hundred twenty-seven thousand, eight hundred forty-four".