65318077 has 4 divisors (see below), whose sum is σ = 71256096. Its totient is φ = 59380060.

The previous prime is 65318051. The next prime is 65318089. The reversal of 65318077 is 77081356.

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 65318077 - 2¹¹ = 65316029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65318017) 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, 2968993 + ... + 2969014.

It is an arithmetic number, because the mean of its divisors is an integer number (17814024).

Almost surely, 2^65318077 is an apocalyptic number.

It is an amenable number.

65318077 is a deficient number, since it is larger than the sum of its proper divisors (5938019).

65318077 is a wasteful number, since it uses less digits than its factorization.

65318077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5938018.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 65318077 is about 8081.9599726799. The cubic root of 65318077 is about 402.7273553171.

The spelling of 65318077 in words is "sixty-five million, three hundred eighteen thousand, seventy-seven".