8369540377 has 16 divisors (see below), whose sum is σ = 9245819520. Its totient is φ = 7513004800.

The previous prime is 8369540327. The next prime is 8369540381. The reversal of 8369540377 is 7730459638.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8369540377 is a prime.

It is a super-2 number, since 2×8369540377² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8369540327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321852 + ... + 346882.

It is an arithmetic number, because the mean of its divisors is an integer number (577863720).

Almost surely, 2^8369540377 is an apocalyptic number.

It is an amenable number.

8369540377 is a deficient number, since it is larger than the sum of its proper divisors (876279143).

8369540377 is a wasteful number, since it uses less digits than its factorization.

8369540377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25424.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The square root of 8369540377 is about 91485.1921187249. The cubic root of 8369540377 is about 2030.3326702893.

The spelling of 8369540377 in words is "eight billion, three hundred sixty-nine million, five hundred forty thousand, three hundred seventy-seven".