9279901664 has 48 divisors (see below), whose sum is σ = 20082940416. Its totient is φ = 4185916800.

The previous prime is 9279901649. The next prime is 9279901691. The reversal of 9279901664 is 4661099729.

It is a super-2 number, since 2×9279901664² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54512 + ... + 146735.

It is an arithmetic number, because the mean of its divisors is an integer number (418394592).

Almost surely, 2^9279901664 is an apocalyptic number.

It is an amenable number.

9279901664 is an abundant number, since it is smaller than the sum of its proper divisors (10803038752).

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

9279901664 is a wasteful number, since it uses less digits than its factorization.

9279901664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201399 (or 201391 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 9279901664 is about 96332.2462314671. The cubic root of 9279901664 is about 2101.4277263155.

The spelling of 9279901664 in words is "nine billion, two hundred seventy-nine million, nine hundred one thousand, six hundred sixty-four".