847520464 has 60 divisors (see below), whose sum is σ = 1928206944. Its totient is φ = 359792832.

The previous prime is 847520449. The next prime is 847520467. The reversal of 847520464 is 464025748.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847520467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78837 + ... + 88939.

Almost surely, 2^847520464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 847520464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964103472).

847520464 is an abundant number, since it is smaller than the sum of its proper divisors (1080686480).

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

847520464 is a wasteful number, since it uses less digits than its factorization.

847520464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232 (or 10219 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 847520464 is about 29112.2047258534. The cubic root of 847520464 is about 946.3462476619.

The spelling of 847520464 in words is "eight hundred forty-seven million, five hundred twenty thousand, four hundred sixty-four".