847679078420 has 48 divisors (see below), whose sum is σ = 1824358388160. Its totient is φ = 330670964736.

The previous prime is 847679078419. The next prime is 847679078429. The reversal of 847679078420 is 24870976748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847679078429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213485 + ... + 1319444.

It is an arithmetic number, because the mean of its divisors is an integer number (38007466420).

Almost surely, 2^847679078420 is an apocalyptic number.

It is an amenable number.

847679078420 is an abundant number, since it is smaller than the sum of its proper divisors (976679309740).

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

847679078420 is a wasteful number, since it uses less digits than its factorization.

847679078420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533624 (or 1533622 counting only the distinct ones).

The product of its (nonzero) digits is 37933056, while the sum is 62.

The spelling of 847679078420 in words is "eight hundred forty-seven billion, six hundred seventy-nine million, seventy-eight thousand, four hundred twenty".