65200077019 has 16 divisors (see below), whose sum is σ = 85566746880. Its totient is φ = 48131292960.

The previous prime is 65200076989. The next prime is 65200077029. The reversal of 65200077019 is 91077000256.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65200077019 is a prime.

It is a super-2 number, since 2×65200077019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65200077029) 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, 22281544 + ... + 22284469.

It is an arithmetic number, because the mean of its divisors is an integer number (5347921680).

Almost surely, 2^65200077019 is an apocalyptic number.

65200077019 is a deficient number, since it is larger than the sum of its proper divisors (20366669861).

65200077019 is a wasteful number, since it uses less digits than its factorization.

65200077019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44566050.

The product of its (nonzero) digits is 26460, while the sum is 37.

The spelling of 65200077019 in words is "sixty-five billion, two hundred million, seventy-seven thousand, nineteen".