65182780071 has 12 divisors (see below), whose sum is σ = 94316088672. Its totient is φ = 43379870976.

The previous prime is 65182780063. The next prime is 65182780073. The reversal of 65182780071 is 17008728156.

It is a happy number.

It is not a de Polignac number, because 65182780071 - 2³ = 65182780063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65182779999 and 65182780026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65182780073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6270831 + ... + 6281216.

It is an arithmetic number, because the mean of its divisors is an integer number (7859674056).

Almost surely, 2^65182780071 is an apocalyptic number.

65182780071 is a deficient number, since it is larger than the sum of its proper divisors (29133308601).

65182780071 is a wasteful number, since it uses less digits than its factorization.

65182780071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12552630 (or 12552627 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 65182780071 in words is "sixty-five billion, one hundred eighty-two million, seven hundred eighty thousand, seventy-one".