80650783 has 2 divisors, whose sum is σ = 80650784. Its totient is φ = 80650782.

The previous prime is 80650729. The next prime is 80650799. The reversal of 80650783 is 38705608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80650783 - 2²⁵ = 47096351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80650183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40325391 + 40325392.

It is an arithmetic number, because the mean of its divisors is an integer number (40325392).

Almost surely, 2^80650783 is an apocalyptic number.

80650783 is a deficient number, since it is larger than the sum of its proper divisors (1).

80650783 is an equidigital number, since it uses as much as digits as its factorization.

80650783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 80650783 is about 8980.5780994321. The cubic root of 80650783 is about 432.0521752683.

The spelling of 80650783 in words is "eighty million, six hundred fifty thousand, seven hundred eighty-three".