65761674077 has 4 divisors (see below), whose sum is σ = 71740008096. Its totient is φ = 59783340060.

The previous prime is 65761674053. The next prime is 65761674101. The reversal of 65761674077 is 77047616756.

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 an interprime number because it is at equal distance from previous prime (65761674053) and next prime (65761674101).

It is a cyclic number.

It is not a de Polignac number, because 65761674077 - 2⁸ = 65761673821 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 (65761674007) 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, 2989166993 + ... + 2989167014.

It is an arithmetic number, because the mean of its divisors is an integer number (17935002024).

Almost surely, 2^65761674077 is an apocalyptic number.

It is an amenable number.

65761674077 is a deficient number, since it is larger than the sum of its proper divisors (5978334019).

65761674077 is a wasteful number, since it uses less digits than its factorization.

65761674077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5978334018.

The product of its (nonzero) digits is 10372320, while the sum is 56.

The spelling of 65761674077 in words is "sixty-five billion, seven hundred sixty-one million, six hundred seventy-four thousand, seventy-seven".