65100056077 has 6 divisors (see below), whose sum is σ = 75728636718. Its totient is φ = 55800048024.

The previous prime is 65100056069. The next prime is 65100056093. The reversal of 65100056077 is 77065000156.

It can be written as a sum of positive squares in only one way, i.e., 56904194116 + 8195861961 = 238546^2 + 90531^2 .

It is not a de Polignac number, because 65100056077 - 2³ = 65100056069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65100056057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 664286238 + ... + 664286335.

It is an arithmetic number, because the mean of its divisors is an integer number (12621439453).

Almost surely, 2^65100056077 is an apocalyptic number.

It is an amenable number.

65100056077 is a deficient number, since it is larger than the sum of its proper divisors (10628580641).

65100056077 is a wasteful number, since it uses less digits than its factorization.

65100056077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328572587 (or 1328572580 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 65100056077 in words is "sixty-five billion, one hundred million, fifty-six thousand, seventy-seven".