65785420315 has 8 divisors (see below), whose sum is σ = 80120751120. Its totient is φ = 51842838432.

The previous prime is 65785420313. The next prime is 65785420331. The reversal of 65785420315 is 51302458756.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65785420315 - 2¹ = 65785420313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65785420313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98186860 + ... + 98187529.

It is an arithmetic number, because the mean of its divisors is an integer number (10015093890).

Almost surely, 2^65785420315 is an apocalyptic number.

65785420315 is a deficient number, since it is larger than the sum of its proper divisors (14335330805).

65785420315 is a wasteful number, since it uses less digits than its factorization.

65785420315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196374461.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 65785420315 in words is "sixty-five billion, seven hundred eighty-five million, four hundred twenty thousand, three hundred fifteen".