827660364 has 48 divisors (see below), whose sum is σ = 1953963648. Its totient is φ = 272651008.

The previous prime is 827660347. The next prime is 827660369. The reversal of 827660364 is 463066728.

It is a super-2 number, since 2×827660364² = 1370043356273224992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (827660369) 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, 632599 + ... + 633905.

It is an arithmetic number, because the mean of its divisors is an integer number (40707576).

Almost surely, 2^827660364 is an apocalyptic number.

It is an amenable number.

827660364 is an abundant number, since it is smaller than the sum of its proper divisors (1126303284).

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

827660364 is a wasteful number, since it uses less digits than its factorization.

827660364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1892 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 827660364 is about 28769.0869511008. The cubic root of 827660364 is about 938.8957774632.

The spelling of 827660364 in words is "eight hundred twenty-seven million, six hundred sixty thousand, three hundred sixty-four".