855761905476 has 189 divisors, whose sum is σ = 2312668007181. Its totient is φ = 276944953824.

The previous prime is 855761905333. The next prime is 855761905483. The reversal of 855761905476 is 674509167558.

The square root of 855761905476 is 925074.

It is a perfect power (a square), and thus also a powerful number.

855761905476 is a `hidden beast` number, since 8 + 5 + 5 + 7 + 619 + 0 + 5 + 4 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 765747504900 + 90014400576 = 875070^2 + 300024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 1848297621 + ... + 1848298083.

Almost surely, 2^855761905476 is an apocalyptic number.

855761905476 is the 925074-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855761905476

855761905476 is an abundant number, since it is smaller than the sum of its proper divisors (1456906101705).

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

855761905476 is an frugal number, since it uses more digits than its factorization.

855761905476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 63.

The spelling of 855761905476 in words is "eight hundred fifty-five billion, seven hundred sixty-one million, nine hundred five thousand, four hundred seventy-six".