827240325769 has 32 divisors (see below), whose sum is σ = 1014485713920. Its totient is φ = 664245964800.

The previous prime is 827240325739. The next prime is 827240325781. The reversal of 827240325769 is 967523042728.

It is a de Polignac number, because none of the positive numbers 2^k-827240325769 is a prime.

It is a super-2 number, since 2×827240325769² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827240325739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653832 + ... + 1442905.

It is an arithmetic number, because the mean of its divisors is an integer number (31702678560).

Almost surely, 2^827240325769 is an apocalyptic number.

827240325769 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

827240325769 is a deficient number, since it is larger than the sum of its proper divisors (187245388151).

827240325769 is a wasteful number, since it uses less digits than its factorization.

827240325769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096881.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 827240325769 in words is "eight hundred twenty-seven billion, two hundred forty million, three hundred twenty-five thousand, seven hundred sixty-nine".