8218077 has 8 divisors (see below), whose sum is σ = 12522816. Its totient is φ = 4696032.

The previous prime is 8218073. The next prime is 8218087. The reversal of 8218077 is 7708128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8218077 - 2² = 8218073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8218073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195648 + ... + 195689.

It is an arithmetic number, because the mean of its divisors is an integer number (1565352).

Almost surely, 2^8218077 is an apocalyptic number.

It is an amenable number.

8218077 is a deficient number, since it is larger than the sum of its proper divisors (4304739).

8218077 is a wasteful number, since it uses less digits than its factorization.

8218077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391347.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 8218077 is about 2866.7188561141. The cubic root of 8218077 is about 201.8010409072.

The spelling of 8218077 in words is "eight million, two hundred eighteen thousand, seventy-seven".