877201825853 has 4 divisors (see below), whose sum is σ = 877240888860. Its totient is φ = 877162762848.

The previous prime is 877201825813. The next prime is 877201825873. The reversal of 877201825853 is 358528102778.

877201825853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 358528102778 = 2 ⋅179264051389.

It can be written as a sum of positive squares in 2 ways, for example, as 713886426724 + 163315399129 = 844918^2 + 404123^2 .

It is a cyclic number.

It is not a de Polignac number, because 877201825853 - 2⁶ = 877201825789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877201825813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19497800 + ... + 19542737.

It is an arithmetic number, because the mean of its divisors is an integer number (219310222215).

Almost surely, 2^877201825853 is an apocalyptic number.

It is an amenable number.

877201825853 is a deficient number, since it is larger than the sum of its proper divisors (39063007).

877201825853 is a wasteful number, since it uses less digits than its factorization.

877201825853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39063006.

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 877201825853 in words is "eight hundred seventy-seven billion, two hundred one million, eight hundred twenty-five thousand, eight hundred fifty-three".