65347687551 has 16 divisors (see below), whose sum is σ = 90148674560. Its totient is φ = 42062405760.

The previous prime is 65347687543. The next prime is 65347687553. The reversal of 65347687551 is 15578674356.

It is not a de Polignac number, because 65347687551 - 2³ = 65347687543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65347687491 and 65347687500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65347687553) 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, 771121 + ... + 851658.

It is an arithmetic number, because the mean of its divisors is an integer number (5634292160).

Almost surely, 2^65347687551 is an apocalyptic number.

65347687551 is a deficient number, since it is larger than the sum of its proper divisors (24800987009).

65347687551 is a wasteful number, since it uses less digits than its factorization.

65347687551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623246.

The product of its digits is 21168000, while the sum is 57.

The spelling of 65347687551 in words is "sixty-five billion, three hundred forty-seven million, six hundred eighty-seven thousand, five hundred fifty-one".