827540766 has 32 divisors (see below), whose sum is σ = 1980441120. Its totient is φ = 254627712.

The previous prime is 827540737. The next prime is 827540783. The reversal of 827540766 is 667045728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588715 + ... + 590118.

It is an arithmetic number, because the mean of its divisors is an integer number (61888785).

Almost surely, 2^827540766 is an apocalyptic number.

827540766 is an abundant number, since it is smaller than the sum of its proper divisors (1152900354).

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

827540766 is a wasteful number, since it uses less digits than its factorization.

827540766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178857 (or 1178851 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 827540766 is about 28767.0082907486. The cubic root of 827540766 is about 938.8505513974.

The spelling of 827540766 in words is "eight hundred twenty-seven million, five hundred forty thousand, seven hundred sixty-six".