847878552 has 48 divisors (see below), whose sum is σ = 2320030440. Its totient is φ = 279710208.

The previous prime is 847878547. The next prime is 847878583. The reversal of 847878552 is 255878748.

847878552 is a `hidden beast` number, since 8 + 4 + 7 + 87 + 8 + 552 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53718 + ... + 67685.

Almost surely, 2^847878552 is an apocalyptic number.

It is an amenable number.

847878552 is an abundant number, since it is smaller than the sum of its proper divisors (1472151888).

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

847878552 is a wasteful number, since it uses less digits than its factorization.

847878552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121512 (or 121505 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 54.

The square root of 847878552 is about 29118.3542117339. The cubic root of 847878552 is about 946.4795099387.

It can be divided in two parts, 84787 and 8552, that added together give a palindrome (93339).

The spelling of 847878552 in words is "eight hundred forty-seven million, eight hundred seventy-eight thousand, five hundred fifty-two".