9428912788 has 6 divisors (see below), whose sum is σ = 16500597386. Its totient is φ = 4714456392.

The previous prime is 9428912741. The next prime is 9428912789. The reversal of 9428912788 is 8872198249.

It can be written as a sum of positive squares in only one way, i.e., 8869495684 + 559417104 = 94178^2 + 23652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9428912789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1178614095 + ... + 1178614102.

Almost surely, 2^9428912788 is an apocalyptic number.

It is an amenable number.

9428912788 is a deficient number, since it is larger than the sum of its proper divisors (7071684598).

9428912788 is a wasteful number, since it uses less digits than its factorization.

9428912788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357228201 (or 2357228199 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 58.

The square root of 9428912788 is about 97102.5889871120. The cubic root of 9428912788 is about 2112.6158782788.

The spelling of 9428912788 in words is "nine billion, four hundred twenty-eight million, nine hundred twelve thousand, seven hundred eighty-eight".