65947078359 has 12 divisors (see below), whose sum is σ = 100270411800. Its totient is φ = 41650786224.

The previous prime is 65947078349. The next prime is 65947078363. The reversal of 65947078359 is 95387074956.

65947078359 is a `hidden beast` number, since 6 + 594 + 7 + 0 + 7 + 8 + 35 + 9 = 666.

It is not a de Polignac number, because 65947078359 - 2⁷ = 65947078231 is a prime.

It is a super-3 number, since 3×65947078359³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 65947078296 and 65947078305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65947078349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192827544 + ... + 192827885.

It is an arithmetic number, because the mean of its divisors is an integer number (8355867650).

Almost surely, 2^65947078359 is an apocalyptic number.

65947078359 is a deficient number, since it is larger than the sum of its proper divisors (34323333441).

65947078359 is a wasteful number, since it uses less digits than its factorization.

65947078359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385655454 (or 385655451 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

It can be divided in two parts, 6594707 and 8359, that added together give a palindrome (6603066).

The spelling of 65947078359 in words is "sixty-five billion, nine hundred forty-seven million, seventy-eight thousand, three hundred fifty-nine".