827940537 has 6 divisors (see below), whose sum is σ = 1195914122. Its totient is φ = 551960352.

The previous prime is 827940473. The next prime is 827940541. The reversal of 827940537 is 735049728.

827940537 is a `hidden beast` number, since 8 + 2 + 79 + 40 + 537 = 666.

It can be written as a sum of positive squares in only one way, i.e., 776402496 + 51538041 = 27864^2 + 7179^2 .

It is not a de Polignac number, because 827940537 - 2⁶ = 827940473 is a prime.

It is a super-3 number, since 3×827940537³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 827940492 and 827940501.

It is not an unprimeable number, because it can be changed into a prime (827940587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45996688 + ... + 45996705.

Almost surely, 2^827940537 is an apocalyptic number.

It is an amenable number.

827940537 is a deficient number, since it is larger than the sum of its proper divisors (367973585).

827940537 is a wasteful number, since it uses less digits than its factorization.

827940537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91993399 (or 91993396 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 827940537 is about 28773.9558802748. The cubic root of 827940537 is about 939.0017080202.

The spelling of 827940537 in words is "eight hundred twenty-seven million, nine hundred forty thousand, five hundred thirty-seven".