9412778739456 has 108 divisors (see below), whose sum is σ = 27244963960032. Its totient is φ = 3125384183808.

The previous prime is 9412778739451. The next prime is 9412778739503. The reversal of 9412778739456 is 6549378772149.

9412778739456 is a `hidden beast` number, since 9 + 41 + 2 + 77 + 87 + 394 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9412778739451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7356136 + ... + 8540391.

Almost surely, 2^{9412778739456} is an apocalyptic number.

9412778739456 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9412778739456 is an abundant number, since it is smaller than the sum of its proper divisors (17832185220576).

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

9412778739456 is a wasteful number, since it uses less digits than its factorization.

9412778739456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15896806 (or 15896789 counting only the distinct ones).

The product of its digits is 640120320, while the sum is 72.

The spelling of 9412778739456 in words is "nine trillion, four hundred twelve billion, seven hundred seventy-eight million, seven hundred thirty-nine thousand, four hundred fifty-six".