65071377 has 16 divisors (see below), whose sum is σ = 110174080. Its totient is φ = 37183536.

The previous prime is 65071373. The next prime is 65071379. The reversal of 65071377 is 77317056.

It is not a de Polignac number, because 65071377 - 2² = 65071373 is a prime.

It is a super-2 number, since 2×65071377² = 8468568209352258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65071373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171958 + ... + 172335.

It is an arithmetic number, because the mean of its divisors is an integer number (6885880).

Almost surely, 2^65071377 is an apocalyptic number.

It is an amenable number.

65071377 is a deficient number, since it is larger than the sum of its proper divisors (45102703).

65071377 is a wasteful number, since it uses less digits than its factorization.

65071377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344309 (or 344303 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 65071377 is about 8066.6831473661. The cubic root of 65071377 is about 402.2196950173.

It can be divided in two parts, 650 and 71377, that added together give a palindrome (72027).

The spelling of 65071377 in words is "sixty-five million, seventy-one thousand, three hundred seventy-seven".