65764782393 has 16 divisors (see below), whose sum is σ = 90744326400. Its totient is φ = 42315356160.

The previous prime is 65764782361. The next prime is 65764782397. The reversal of 65764782393 is 39328746756.

It is not a de Polignac number, because 65764782393 - 2⁵ = 65764782361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65764782397) 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, 90873 + ... + 373881.

It is an arithmetic number, because the mean of its divisors is an integer number (5671520400).

Almost surely, 2^65764782393 is an apocalyptic number.

It is an amenable number.

65764782393 is a deficient number, since it is larger than the sum of its proper divisors (24979544007).

65764782393 is a wasteful number, since it uses less digits than its factorization.

65764782393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285712.

The product of its digits is 45722880, while the sum is 60.

The spelling of 65764782393 in words is "sixty-five billion, seven hundred sixty-four million, seven hundred eighty-two thousand, three hundred ninety-three".