7834549827 has 18 divisors (see below), whose sum is σ = 11314299276. Its totient is φ = 4820034960.

The previous prime is 7834549817. The next prime is 7834549829. The reversal of 7834549827 is 7289454387.

It is not a de Polignac number, because 7834549827 - 2¹² = 7834545731 is a prime.

It is a super-2 number, since 2×7834549827² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7834549829) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1991052 + ... + 1994982.

It is an arithmetic number, because the mean of its divisors is an integer number (628572182).

Almost surely, 2^7834549827 is an apocalyptic number.

7834549827 is a deficient number, since it is larger than the sum of its proper divisors (3479749449).

7834549827 is an frugal number, since it uses more digits than its factorization.

7834549827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7891 (or 3947 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The square root of 7834549827 is about 88512.9924191923. The cubic root of 7834549827 is about 1986.1163304571.

The spelling of 7834549827 in words is "seven billion, eight hundred thirty-four million, five hundred forty-nine thousand, eight hundred twenty-seven".