66463377 has 4 divisors (see below), whose sum is σ = 88617840. Its totient is φ = 44308916.

The previous prime is 66463289. The next prime is 66463379. The reversal of 66463377 is 77336466.

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 66463377 - 2¹⁴ = 66446993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66463379) 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, 11077227 + ... + 11077232.

It is an arithmetic number, because the mean of its divisors is an integer number (22154460).

Almost surely, 2^66463377 is an apocalyptic number.

It is an amenable number.

66463377 is a deficient number, since it is larger than the sum of its proper divisors (22154463).

66463377 is a wasteful number, since it uses less digits than its factorization.

66463377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22154462.

The product of its digits is 381024, while the sum is 42.

The square root of 66463377 is about 8152.5074057004. The cubic root of 66463377 is about 405.0675637929.

The spelling of 66463377 in words is "sixty-six million, four hundred sixty-three thousand, three hundred seventy-seven".