9778983134 has 8 divisors (see below), whose sum is σ = 15531326208. Its totient is φ = 4601874400.

The previous prime is 9778983131. The next prime is 9778983157. The reversal of 9778983134 is 4313898779.

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

It is a super-2 number, since 2×9778983134² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9778983131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143808542 + ... + 143808609.

It is an arithmetic number, because the mean of its divisors is an integer number (1941415776).

Almost surely, 2^9778983134 is an apocalyptic number.

9778983134 is a deficient number, since it is larger than the sum of its proper divisors (5752343074).

9778983134 is a wasteful number, since it uses less digits than its factorization.

9778983134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287617170.

The product of its digits is 9144576, while the sum is 59.

The square root of 9778983134 is about 98888.7411892780. The cubic root of 9778983134 is about 2138.4440850564. Note that the first 3 decimals are identical.

The spelling of 9778983134 in words is "nine billion, seven hundred seventy-eight million, nine hundred eighty-three thousand, one hundred thirty-four".