965945387 has 4 divisors (see below), whose sum is σ = 1053758616. Its totient is φ = 878132160.

The previous prime is 965945381. The next prime is 965945413. The reversal of 965945387 is 783549569.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 965945387 - 2⁴ = 965945371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (965945381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43906598 + ... + 43906619.

It is an arithmetic number, because the mean of its divisors is an integer number (263439654).

Almost surely, 2^965945387 is an apocalyptic number.

965945387 is a deficient number, since it is larger than the sum of its proper divisors (87813229).

965945387 is a wasteful number, since it uses less digits than its factorization.

965945387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87813228.

The product of its digits is 8164800, while the sum is 56.

The square root of 965945387 is about 31079.6619511860. The cubic root of 965945387 is about 988.5171102758.

The spelling of 965945387 in words is "nine hundred sixty-five million, nine hundred forty-five thousand, three hundred eighty-seven".