847465652420 has 12 divisors (see below), whose sum is σ = 1779677870124. Its totient is φ = 338986260960.

The previous prime is 847465652419. The next prime is 847465652479. The reversal of 847465652420 is 24256564748.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 447518185024 + 399947467396 = 668968^2 + 632414^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21186641291 + ... + 21186641330.

It is an arithmetic number, because the mean of its divisors is an integer number (148306489177).

Almost surely, 2^847465652420 is an apocalyptic number.

It is an amenable number.

847465652420 is an abundant number, since it is smaller than the sum of its proper divisors (932212217704).

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

847465652420 is a wasteful number, since it uses less digits than its factorization.

847465652420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42373282630 (or 42373282628 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 53.

The spelling of 847465652420 in words is "eight hundred forty-seven billion, four hundred sixty-five million, six hundred fifty-two thousand, four hundred twenty".