847456489476 has 135 divisors (see below), whose sum is σ = 2235304916229. Its totient is φ = 279972329472.

The previous prime is 847456489469. The next prime is 847456489483. The reversal of 847456489476 is 674984654748.

The square root of 847456489476 is 920574.

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

847456489476 is a `hidden beast` number, since 8 + 4 + 74 + 5 + 6 + 4 + 89 + 476 = 666.

It is an interprime number because it is at equal distance from previous prime (847456489469) and next prime (847456489483).

It can be written as a sum of positive squares in only one way, i.e., 834317828100 + 13138661376 = 913410^2 + 114624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3297495940 + ... + 3297496196.

Almost surely, 2^847456489476 is an apocalyptic number.

847456489476 is the 920574-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 847456489476

847456489476 is an abundant number, since it is smaller than the sum of its proper divisors (1387848426753).

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

847456489476 is an equidigital number, since it uses as much as digits as its factorization.

847456489476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 461 counting only the distinct ones).

The product of its digits is 1300561920, while the sum is 72.

The spelling of 847456489476 in words is "eight hundred forty-seven billion, four hundred fifty-six million, four hundred eighty-nine thousand, four hundred seventy-six".