9774774234 has 12 divisors (see below), whose sum is σ = 21178677546. Its totient is φ = 3258258072.

The previous prime is 9774774227. The next prime is 9774774239. The reversal of 9774774234 is 4324774779.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7991823609 + 1782950625 = 89397^2 + 42225^2 .

It is a super-2 number, since 2×9774774234² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9774774239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 271521489 + ... + 271521524.

Almost surely, 2^9774774234 is an apocalyptic number.

9774774234 is an abundant number, since it is smaller than the sum of its proper divisors (11403903312).

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

9774774234 is a wasteful number, since it uses less digits than its factorization.

9774774234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543043021 (or 543043018 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 54.

The square root of 9774774234 is about 98867.4579120956. The cubic root of 9774774234 is about 2138.1372437153.

The spelling of 9774774234 in words is "nine billion, seven hundred seventy-four million, seven hundred seventy-four thousand, two hundred thirty-four".