65842979385 has 64 divisors (see below), whose sum is σ = 111835054080. Its totient is φ = 33024526080.

The previous prime is 65842979383. The next prime is 65842979399. The reversal of 65842979385 is 58397924856.

It is not a de Polignac number, because 65842979385 - 2¹ = 65842979383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65842979383) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4306264 + ... + 4321526.

It is an arithmetic number, because the mean of its divisors is an integer number (1747422720).

Almost surely, 2^65842979385 is an apocalyptic number.

It is an amenable number.

65842979385 is a deficient number, since it is larger than the sum of its proper divisors (45992074695).

65842979385 is a wasteful number, since it uses less digits than its factorization.

65842979385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15558.

The product of its digits is 130636800, while the sum is 66.

The spelling of 65842979385 in words is "sixty-five billion, eight hundred forty-two million, nine hundred seventy-nine thousand, three hundred eighty-five".