827764155126 has 24 divisors (see below), whose sum is σ = 1793526999264. Its totient is φ = 275915539440.

The previous prime is 827764155109. The next prime is 827764155131. The reversal of 827764155126 is 621551467728.

It is a happy number.

827764155126 is a `hidden beast` number, since 8 + 2 + 7 + 7 + 64 + 1 + 551 + 26 = 666.

827764155126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×827764155126² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433075 + ... + 1357601.

It is an arithmetic number, because the mean of its divisors is an integer number (74730291636).

Almost surely, 2^827764155126 is an apocalyptic number.

827764155126 is an abundant number, since it is smaller than the sum of its proper divisors (965762844138).

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

827764155126 is a wasteful number, since it uses less digits than its factorization.

827764155126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974276 (or 974273 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 827764155126 in words is "eight hundred twenty-seven billion, seven hundred sixty-four million, one hundred fifty-five thousand, one hundred twenty-six".