827761225359 has 4 divisors (see below), whose sum is σ = 1103681633816. Its totient is φ = 551840816904.

The previous prime is 827761225349. The next prime is 827761225391. The reversal of 827761225359 is 953522167728.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 827761225359 - 2⁷ = 827761225231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 827761225299 and 827761225308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827761225349) 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, 137960204224 + ... + 137960204229.

It is an arithmetic number, because the mean of its divisors is an integer number (275920408454).

Almost surely, 2^827761225359 is an apocalyptic number.

827761225359 is a deficient number, since it is larger than the sum of its proper divisors (275920408457).

827761225359 is a wasteful number, since it uses less digits than its factorization.

827761225359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275920408456.

The product of its digits is 12700800, while the sum is 57.

The spelling of 827761225359 in words is "eight hundred twenty-seven billion, seven hundred sixty-one million, two hundred twenty-five thousand, three hundred fifty-nine".