827940938715 has 48 divisors (see below), whose sum is σ = 1581700944096. Its totient is φ = 397287475200.

The previous prime is 827940938711. The next prime is 827940938731. The reversal of 827940938715 is 517839049728.

827940938715 is a `hidden beast` number, since 82 + 79 + 409 + 3 + 87 + 1 + 5 = 666.

It is not a de Polignac number, because 827940938715 - 2² = 827940938711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (827940938711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8573676 + ... + 8669705.

It is an arithmetic number, because the mean of its divisors is an integer number (32952103002).

Almost surely, 2^827940938715 is an apocalyptic number.

827940938715 is a deficient number, since it is larger than the sum of its proper divisors (753760005381).

827940938715 is a wasteful number, since it uses less digits than its factorization.

827940938715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17243500 (or 17243497 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 827940938715 in words is "eight hundred twenty-seven billion, nine hundred forty million, nine hundred thirty-eight thousand, seven hundred fifteen".