650779401 has 8 divisors (see below), whose sum is σ = 897626880. Its totient is φ = 418892432.

The previous prime is 650779391. The next prime is 650779417. The reversal of 650779401 is 104977056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 650779401 - 2⁹ = 650778889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 650779401.

It is not an unprimeable number, because it can be changed into a prime (650779301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3740025 + ... + 3740198.

It is an arithmetic number, because the mean of its divisors is an integer number (112203360).

Almost surely, 2^650779401 is an apocalyptic number.

It is an amenable number.

650779401 is a deficient number, since it is larger than the sum of its proper divisors (246847479).

650779401 is a wasteful number, since it uses less digits than its factorization.

650779401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480255.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 650779401 is about 25510.3782998214. The cubic root of 650779401 is about 866.5851965988.

The spelling of 650779401 in words is "six hundred fifty million, seven hundred seventy-nine thousand, four hundred one".