80575783 has 4 divisors (see below), whose sum is σ = 82541088. Its totient is φ = 78610480.

The previous prime is 80575777. The next prime is 80575787. The reversal of 80575783 is 38757508.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80575783 - 2¹⁷ = 80444711 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 (80575787) 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, 982591 + ... + 982672.

It is an arithmetic number, because the mean of its divisors is an integer number (20635272).

Almost surely, 2^80575783 is an apocalyptic number.

80575783 is a deficient number, since it is larger than the sum of its proper divisors (1965305).

80575783 is a wasteful number, since it uses less digits than its factorization.

80575783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965304.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 80575783 is about 8976.4014504700. The cubic root of 80575783 is about 431.9182068940.

The spelling of 80575783 in words is "eighty million, five hundred seventy-five thousand, seven hundred eighty-three".