5423797665 has 384 divisors, whose sum is σ = 12680478720. Its totient is φ = 2183500800.

The previous prime is 5423797661. The next prime is 5423797681. The reversal of 5423797665 is 5667973245.

5423797665 is a `hidden beast` number, since 542 + 3 + 7 + 97 + 6 + 6 + 5 = 666.

It is not a de Polignac number, because 5423797665 - 2² = 5423797661 is a prime.

It is a super-2 number, since 2×5423797665² = 58835162221718904450, which contains 22 as substring.

Its product of digits (9525600) is a multiple of the sum of its prime divisors (135).

It is not an unprimeable number, because it can be changed into a prime (5423797661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 102335779 + ... + 102335831.

It is an arithmetic number, because the mean of its divisors is an integer number (33022080).

Almost surely, 2^5423797665 is an apocalyptic number.

5423797665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5423797665 is an abundant number, since it is smaller than the sum of its proper divisors (7256681055).

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

5423797665 is a wasteful number, since it uses less digits than its factorization.

5423797665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 135 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 54.

The square root of 5423797665 is about 73646.4368791865. The cubic root of 5423797665 is about 1756.9840808773.

The spelling of 5423797665 in words is "five billion, four hundred twenty-three million, seven hundred ninety-seven thousand, six hundred sixty-five".