8695221377 has 4 divisors (see below), whose sum is σ = 8713374720. Its totient is φ = 8677068036.

The previous prime is 8695221343. The next prime is 8695221439. The reversal of 8695221377 is 7731225968.

8695221377 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8695221377 - 2⁸ = 8695221121 is a prime.

It is a super-2 number, since 2×8695221377² (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 (8695221317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9075953 + ... + 9076910.

It is an arithmetic number, because the mean of its divisors is an integer number (2178343680).

Almost surely, 2^8695221377 is an apocalyptic number.

It is an amenable number.

8695221377 is a deficient number, since it is larger than the sum of its proper divisors (18153343).

8695221377 is a wasteful number, since it uses less digits than its factorization.

8695221377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18153342.

The product of its digits is 1270080, while the sum is 50.

The square root of 8695221377 is about 93248.1709043132. The cubic root of 8695221377 is about 2056.3334862344. Note that the first 3 decimals are identical.

The spelling of 8695221377 in words is "eight billion, six hundred ninety-five million, two hundred twenty-one thousand, three hundred seventy-seven".