65890379 has 4 divisors (see below), whose sum is σ = 65988384. Its totient is φ = 65792376.

The previous prime is 65890373. The next prime is 65890387. The reversal of 65890379 is 97309856.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65890379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65890373) 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, 47987 + ... + 49340.

It is an arithmetic number, because the mean of its divisors is an integer number (16497096).

Almost surely, 2^65890379 is an apocalyptic number.

65890379 is a deficient number, since it is larger than the sum of its proper divisors (98005).

65890379 is an equidigital number, since it uses as much as digits as its factorization.

65890379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98004.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 65890379 is about 8117.2888946988. The cubic root of 65890379 is about 403.9001382922.

The spelling of 65890379 in words is "sixty-five million, eight hundred ninety thousand, three hundred seventy-nine".