1047277969956 has 243 divisors, whose sum is σ = 2870820004689. Its totient is φ = 321844513536.

The previous prime is 1047277969949. The next prime is 1047277969957. The reversal of 1047277969956 is 6599697727401.

The square root of 1047277969956 is 1023366.

It is a perfect power (a square), and thus also a powerful number.

1047277969956 is a `hidden beast` number, since 1 + 0 + 472 + 7 + 7 + 9 + 69 + 95 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 815354820900 + 231923149056 = 902970^2 + 481584^2 .

It is a super-2 number, since 2×1047277969956² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1047277969957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 8246283165 + ... + 8246283291.

Almost surely, 2^{1047277969956} is an apocalyptic number.

1047277969956 is the 1023366-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047277969956

1047277969956 is an abundant number, since it is smaller than the sum of its proper divisors (1823542034733).

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

1047277969956 is a wasteful number, since it uses less digits than its factorization.

1047277969956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 360067680, while the sum is 72.

The spelling of 1047277969956 in words is "one trillion, forty-seven billion, two hundred seventy-seven million, nine hundred sixty-nine thousand, nine hundred fifty-six".