65396377 has 4 divisors (see below), whose sum is σ = 65975220. Its totient is φ = 64817536.

The previous prime is 65396369. The next prime is 65396381. The reversal of 65396377 is 77369356.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27154521 + 38241856 = 5211^2 + 6184^2 .

It is a cyclic number.

It is not a de Polignac number, because 65396377 - 2³ = 65396369 is a prime.

It is a super-2 number, since 2×65396377² = 8553372249452258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65396777) 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, 289252 + ... + 289477.

It is an arithmetic number, because the mean of its divisors is an integer number (16493805).

Almost surely, 2^65396377 is an apocalyptic number.

It is an amenable number.

65396377 is a deficient number, since it is larger than the sum of its proper divisors (578843).

65396377 is a wasteful number, since it uses less digits than its factorization.

65396377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578842.

The product of its digits is 714420, while the sum is 46.

The square root of 65396377 is about 8086.8026438142. The cubic root of 65396377 is about 402.8882141048. Note that the first 3 decimals are identical.

The spelling of 65396377 in words is "sixty-five million, three hundred ninety-six thousand, three hundred seventy-seven".