857348884 has 36 divisors (see below), whose sum is σ = 1771394016. Its totient is φ = 361945584.

The previous prime is 857348881. The next prime is 857348923. The reversal of 857348884 is 488843758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857348881) by changing a digit.

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, 19512 + ... + 45775.

Almost surely, 2^857348884 is an apocalyptic number.

It is an amenable number.

857348884 is an abundant number, since it is smaller than the sum of its proper divisors (914045132).

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

857348884 is a wasteful number, since it uses less digits than its factorization.

857348884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65372 (or 65363 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 55.

The square root of 857348884 is about 29280.5205554819. The cubic root of 857348884 is about 949.9903541034.

The spelling of 857348884 in words is "eight hundred fifty-seven million, three hundred forty-eight thousand, eight hundred eighty-four".