65988395 has 8 divisors (see below), whose sum is σ = 86384880. Its totient is φ = 47991520.

The previous prime is 65988389. The next prime is 65988401. The reversal of 65988395 is 59388956.

It is an interprime number because it is at equal distance from previous prime (65988389) and next prime (65988401).

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

It is not a de Polignac number, because 65988395 - 2⁶ = 65988331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599840 + ... + 599949.

It is an arithmetic number, because the mean of its divisors is an integer number (10798110).

Almost surely, 2^65988395 is an apocalyptic number.

65988395 is a deficient number, since it is larger than the sum of its proper divisors (20396485).

65988395 is a wasteful number, since it uses less digits than its factorization.

65988395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199805.

The product of its digits is 2332800, while the sum is 53.

The square root of 65988395 is about 8123.3241348601. The cubic root of 65988395 is about 404.1003145170.

The spelling of 65988395 in words is "sixty-five million, nine hundred eighty-eight thousand, three hundred ninety-five".