855578632 has 8 divisors (see below), whose sum is σ = 1604209950. Its totient is φ = 427789312.

The previous prime is 855578623. The next prime is 855578657. The reversal of 855578632 is 236875558.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 746710276 + 108868356 = 27326^2 + 10434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53473657 + ... + 53473672.

Almost surely, 2^855578632 is an apocalyptic number.

It is an amenable number.

855578632 is a deficient number, since it is larger than the sum of its proper divisors (748631318).

855578632 is a wasteful number, since it uses less digits than its factorization.

855578632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106947335 (or 106947331 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 49.

The square root of 855578632 is about 29250.2757593839. The cubic root of 855578632 is about 949.3360576019.

The spelling of 855578632 in words is "eight hundred fifty-five million, five hundred seventy-eight thousand, six hundred thirty-two".