856922341401 has 81 divisors (see below), whose sum is σ = 1530132841341. Its totient is φ = 460688062464.

The previous prime is 856922341399. The next prime is 856922341411. The reversal of 856922341401 is 104143229658.

The square root of 856922341401 is 925701.

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

856922341401 is a `hidden beast` number, since 8 + 5 + 6 + 9 + 2 + 234 + 1 + 401 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 129995581401 + 726926760000 = 360549^2 + 852600^2 .

It is not a de Polignac number, because 856922341401 - 2¹ = 856922341399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (856922341411) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 330473961 + ... + 330476553.

Almost surely, 2^856922341401 is an apocalyptic number.

856922341401 is the 925701-st square number.

856922341401 is the 462851-st centered octagonal number.

It is an amenable number.

856922341401 is a deficient number, since it is larger than the sum of its proper divisors (673210499940).

856922341401 is an equidigital number, since it uses as much as digits as its factorization.

856922341401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 856922341401 in words is "eight hundred fifty-six billion, nine hundred twenty-two million, three hundred forty-one thousand, four hundred one".