66282377 has 4 divisors (see below), whose sum is σ = 75751296. Its totient is φ = 56813460.

The previous prime is 66282373. The next prime is 66282379. The reversal of 66282377 is 77328266.

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 66282377 - 2² = 66282373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66282373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4734449 + ... + 4734462.

It is an arithmetic number, because the mean of its divisors is an integer number (18937824).

Almost surely, 2^66282377 is an apocalyptic number.

It is an amenable number.

66282377 is a deficient number, since it is larger than the sum of its proper divisors (9468919).

66282377 is an equidigital number, since it uses as much as digits as its factorization.

66282377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468918.

The product of its digits is 169344, while the sum is 41.

The square root of 66282377 is about 8141.3989584100. The cubic root of 66282377 is about 404.6995220819.

The spelling of 66282377 in words is "sixty-six million, two hundred eighty-two thousand, three hundred seventy-seven".