851487448 has 16 divisors (see below), whose sum is σ = 1824616080. Its totient is φ = 364923168.

The previous prime is 851487397. The next prime is 851487457. The reversal of 851487448 is 844784158.

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 3 ways as a sum of consecutive naturals, for example, 7602511 + ... + 7602622.

It is an arithmetic number, because the mean of its divisors is an integer number (114038505).

Almost surely, 2^851487448 is an apocalyptic number.

It is an amenable number.

851487448 is an abundant number, since it is smaller than the sum of its proper divisors (973128632).

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

851487448 is a wasteful number, since it uses less digits than its factorization.

851487448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15205146 (or 15205142 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 49.

The square root of 851487448 is about 29180.2578467018. The cubic root of 851487448 is about 947.8204690086.

The spelling of 851487448 in words is "eight hundred fifty-one million, four hundred eighty-seven thousand, four hundred forty-eight".