650006879 has 2 divisors, whose sum is σ = 650006880. Its totient is φ = 650006878.

The previous prime is 650006843. The next prime is 650006897. The reversal of 650006879 is 978600056.

It is a happy number.

Together with next prime (650006897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650006879 - 2¹² = 650002783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650006809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325003439 + 325003440.

It is an arithmetic number, because the mean of its divisors is an integer number (325003440).

Almost surely, 2^650006879 is an apocalyptic number.

650006879 is a deficient number, since it is larger than the sum of its proper divisors (1).

650006879 is an equidigital number, since it uses as much as digits as its factorization.

650006879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 650006879 is about 25495.2324758964. The cubic root of 650006879 is about 866.2421611552.

The spelling of 650006879 in words is "six hundred fifty million, six thousand, eight hundred seventy-nine".