9479781090 has 384 divisors, whose sum is σ = 28742418432. Its totient is φ = 2150945280.

The previous prime is 9479781089. The next prime is 9479781107. The reversal of 9479781090 is 901879749.

9479781090 is a `hidden beast` number, since 9 + 479 + 7 + 81 + 0 + 90 = 666.

9479781090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 114214189 + ... + 114214271.

It is an arithmetic number, because the mean of its divisors is an integer number (74850048).

Almost surely, 2^9479781090 is an apocalyptic number.

9479781090 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9479781090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14371209216).

9479781090 is an abundant number, since it is smaller than the sum of its proper divisors (19262637342).

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

9479781090 is a wasteful number, since it uses less digits than its factorization.

9479781090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The square root of 9479781090 is about 97364.1673820508. The cubic root of 9479781090 is about 2116.4082032420.

The spelling of 9479781090 in words is "nine billion, four hundred seventy-nine million, seven hundred eighty-one thousand, ninety".