827690983 has 16 divisors (see below), whose sum is σ = 965203776. Its totient is φ = 695036160.

The previous prime is 827690957. The next prime is 827690989. The reversal of 827690983 is 389096728.

It is a de Polignac number, because none of the positive numbers 2^k-827690983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 827690983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827690989) 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, 352393 + ... + 354733.

It is an arithmetic number, because the mean of its divisors is an integer number (60325236).

Almost surely, 2^827690983 is an apocalyptic number.

827690983 is a deficient number, since it is larger than the sum of its proper divisors (137512793).

827690983 is a wasteful number, since it uses less digits than its factorization.

827690983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 827690983 is about 28769.6190972352. The cubic root of 827690983 is about 938.9073553586.

The spelling of 827690983 in words is "eight hundred twenty-seven million, six hundred ninety thousand, nine hundred eighty-three".