65987334358 has 12 divisors (see below), whose sum is σ = 107981246052. Its totient is φ = 29993695220.

The previous prime is 65987334341. The next prime is 65987334373. The reversal of 65987334358 is 85343378956.

It is a junction number, because it is equal to n+sod(n) for n = 65987334296 and 65987334305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1177491 + ... + 1232257.

It is an arithmetic number, because the mean of its divisors is an integer number (8998437171).

Almost surely, 2^65987334358 is an apocalyptic number.

65987334358 is a deficient number, since it is larger than the sum of its proper divisors (41993911694).

65987334358 is an frugal number, since it uses more digits than its factorization.

65987334358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109547 (or 54780 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 61.

The spelling of 65987334358 in words is "sixty-five billion, nine hundred eighty-seven million, three hundred thirty-four thousand, three hundred fifty-eight".