847456489475 has 48 divisors (see below), whose sum is σ = 1124031432384. Its totient is φ = 632248320000.

The previous prime is 847456489469. The next prime is 847456489483. The reversal of 847456489475 is 574984654748.

It is a Cunningham number, because it is equal to 920574²-1.

It is not a de Polignac number, because 847456489475 - 2¹⁰ = 847456488451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 847456489399 and 847456489408.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37732349 + ... + 37754801.

It is an arithmetic number, because the mean of its divisors is an integer number (23417321508).

Almost surely, 2^847456489475 is an apocalyptic number.

847456489475 is a deficient number, since it is larger than the sum of its proper divisors (276574942909).

847456489475 is a wasteful number, since it uses less digits than its factorization.

847456489475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24128 (or 24123 counting only the distinct ones).

The product of its digits is 1083801600, while the sum is 71.

The spelling of 847456489475 in words is "eight hundred forty-seven billion, four hundred fifty-six million, four hundred eighty-nine thousand, four hundred seventy-five".