827051051157 has 4 divisors (see below), whose sum is σ = 1102734734880. Its totient is φ = 551367367436.

The previous prime is 827051051153. The next prime is 827051051171. The reversal of 827051051157 is 751150150728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 827051051157 - 2² = 827051051153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827051051153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137841841857 + ... + 137841841862.

It is an arithmetic number, because the mean of its divisors is an integer number (275683683720).

Almost surely, 2^827051051157 is an apocalyptic number.

It is an amenable number.

827051051157 is a deficient number, since it is larger than the sum of its proper divisors (275683683723).

827051051157 is a wasteful number, since it uses less digits than its factorization.

827051051157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275683683722.

The product of its (nonzero) digits is 98000, while the sum is 42.

The spelling of 827051051157 in words is "eight hundred twenty-seven billion, fifty-one million, fifty-one thousand, one hundred fifty-seven".