9427890048 has 64 divisors (see below), whose sum is σ = 25077475200. Its totient is φ = 3138283008.

The previous prime is 9427890011. The next prime is 9427890077. The reversal of 9427890048 is 8400987249.

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

It is a super-2 number, since 2×9427890048² (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, 267165 + ... + 300387.

It is an arithmetic number, because the mean of its divisors is an integer number (391835550).

Almost surely, 2^9427890048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9427890048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12538737600).

9427890048 is an abundant number, since it is smaller than the sum of its proper divisors (15649585152).

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

9427890048 is a wasteful number, since it uses less digits than its factorization.

9427890048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33979 (or 33967 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 9427890048 is about 97097.3225583486. The cubic root of 9427890048 is about 2112.5394914270.

The spelling of 9427890048 in words is "nine billion, four hundred twenty-seven million, eight hundred ninety thousand, forty-eight".