8213377 has 8 divisors (see below), whose sum is σ = 8683200. Its totient is φ = 7747344.

The previous prime is 8213353. The next prime is 8213399. The reversal of 8213377 is 7733128.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8213377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8213347) 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, 4308 + ... + 5914.

It is an arithmetic number, because the mean of its divisors is an integer number (1085400).

Almost surely, 2^8213377 is an apocalyptic number.

It is an amenable number.

8213377 is a deficient number, since it is larger than the sum of its proper divisors (469823).

8213377 is a wasteful number, since it uses less digits than its factorization.

8213377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895.

The product of its digits is 7056, while the sum is 31.

The square root of 8213377 is about 2865.8989863566. The cubic root of 8213377 is about 201.7625628966.

Subtracting from 8213377 its reverse (7733128), we obtain a square (480249 = 693²).

The spelling of 8213377 in words is "eight million, two hundred thirteen thousand, three hundred seventy-seven".