826874380685311 has 16 divisors (see below), whose sum is σ = 975519261554688. Its totient is φ = 685861185333600.

The previous prime is 826874380685293. The next prime is 826874380685323. The reversal of 826874380685311 is 113586083478628.

It is a de Polignac number, because none of the positive numbers 2^k-826874380685311 is a prime.

It is a super-2 number, since 2×826874380685311² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826874380685611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64674340 + ... + 76397113.

It is an arithmetic number, because the mean of its divisors is an integer number (60969953847168).

Almost surely, 2^{826874380685311} is an apocalyptic number.

826874380685311 is a deficient number, since it is larger than the sum of its proper divisors (148644880869377).

826874380685311 is a wasteful number, since it uses less digits than its factorization.

826874380685311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141098502.

The product of its (nonzero) digits is 371589120, while the sum is 70.

The spelling of 826874380685311 in words is "eight hundred twenty-six trillion, eight hundred seventy-four billion, three hundred eighty million, six hundred eighty-five thousand, three hundred eleven".