65895977 has 4 divisors (see below), whose sum is σ = 75309696. Its totient is φ = 56482260.

The previous prime is 65895959. The next prime is 65895983. The reversal of 65895977 is 77959856.

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 65895977 - 2⁶ = 65895913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65895997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4706849 + ... + 4706862.

It is an arithmetic number, because the mean of its divisors is an integer number (18827424).

Almost surely, 2^65895977 is an apocalyptic number.

It is an amenable number.

65895977 is a deficient number, since it is larger than the sum of its proper divisors (9413719).

65895977 is an equidigital number, since it uses as much as digits as its factorization.

65895977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9413718.

The product of its digits is 4762800, while the sum is 56.

The square root of 65895977 is about 8117.6337069370. The cubic root of 65895977 is about 403.9115763250.

The spelling of 65895977 in words is "sixty-five million, eight hundred ninety-five thousand, nine hundred seventy-seven".