80583644 has 6 divisors (see below), whose sum is σ = 141021384. Its totient is φ = 40291820.

The previous prime is 80583641. The next prime is 80583661. The reversal of 80583644 is 44638508.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80583598 and 80583607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80583641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072952 + ... + 10072959.

It is an arithmetic number, because the mean of its divisors is an integer number (23503564).

Almost surely, 2^80583644 is an apocalyptic number.

It is an amenable number.

80583644 is a deficient number, since it is larger than the sum of its proper divisors (60437740).

80583644 is a wasteful number, since it uses less digits than its factorization.

80583644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20145915 (or 20145913 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 80583644 is about 8976.8393101358. The cubic root of 80583644 is about 431.9322524649.

The spelling of 80583644 in words is "eighty million, five hundred eighty-three thousand, six hundred forty-four".