648586967 has 8 divisors (see below), whose sum is σ = 744345600. Its totient is φ = 553604184.

The previous prime is 648586963. The next prime is 648586973. The reversal of 648586967 is 769685846.

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

It is not a de Polignac number, because 648586967 - 2² = 648586963 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 (648586963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192167 + ... + 195512.

It is an arithmetic number, because the mean of its divisors is an integer number (93043200).

Almost surely, 2^648586967 is an apocalyptic number.

648586967 is a deficient number, since it is larger than the sum of its proper divisors (95758633).

648586967 is a wasteful number, since it uses less digits than its factorization.

648586967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387925.

The product of its digits is 17418240, while the sum is 59.

The square root of 648586967 is about 25467.3706338130. The cubic root of 648586967 is about 865.6109450936.

The spelling of 648586967 in words is "six hundred forty-eight million, five hundred eighty-six thousand, nine hundred sixty-seven".