65077047 has 32 divisors (see below), whose sum is σ = 112448000. Its totient is φ = 37181592.

The previous prime is 65077031. The next prime is 65077049. The reversal of 65077047 is 74077056.

It is not a de Polignac number, because 65077047 - 2⁴ = 65077031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65077049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5748 + ... + 12774.

It is an arithmetic number, because the mean of its divisors is an integer number (3514000).

Almost surely, 2^65077047 is an apocalyptic number.

65077047 is a deficient number, since it is larger than the sum of its proper divisors (47370953).

65077047 is an equidigital number, since it uses as much as digits as its factorization.

65077047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057 (or 7037 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 65077047 is about 8067.0345852736. The cubic root of 65077047 is about 402.2313771605.

Subtracting 65077047 from its reverse (74077056), we obtain a palindrome (9000009).

The spelling of 65077047 in words is "sixty-five million, seventy-seven thousand, forty-seven".