4787391786956 has 6 divisors (see below), whose sum is σ = 8377935627180. Its totient is φ = 2393695893476.

The previous prime is 4787391786949. The next prime is 4787391786997. The reversal of 4787391786956 is 6596871937874.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598423973366 + ... + 598423973373.

It is an arithmetic number, because the mean of its divisors is an integer number (1396322604530).

Almost surely, 2^{4787391786956} is an apocalyptic number.

It is an amenable number.

4787391786956 is a deficient number, since it is larger than the sum of its proper divisors (3590543840224).

4787391786956 is a wasteful number, since it uses less digits than its factorization.

4787391786956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196847946743 (or 1196847946741 counting only the distinct ones).

The product of its digits is 3840721920, while the sum is 80.

The spelling of 4787391786956 in words is "four trillion, seven hundred eighty-seven billion, three hundred ninety-one million, seven hundred eighty-six thousand, nine hundred fifty-six".