9706420864 has 64 divisors (see below), whose sum is σ = 23262609600. Its totient is φ = 3940945920.

The previous prime is 9706420859. The next prime is 9706420891. The reversal of 9706420864 is 4680246079.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268057 + ... + 302104.

It is an arithmetic number, because the mean of its divisors is an integer number (363478275).

Almost surely, 2^9706420864 is an apocalyptic number.

It is an amenable number.

9706420864 is an abundant number, since it is smaller than the sum of its proper divisors (13556188736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9706420864 is a wasteful number, since it uses less digits than its factorization.

9706420864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570201 (or 570189 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 9706420864 is about 98521.1696235890. The cubic root of 9706420864 is about 2133.1417018840.

The spelling of 9706420864 in words is "nine billion, seven hundred six million, four hundred twenty thousand, eight hundred sixty-four".