65886473 has 4 divisors (see below), whose sum is σ = 67129668. Its totient is φ = 64643280.

The previous prime is 65886419. The next prime is 65886511. The reversal of 65886473 is 37468856.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47293129 + 18593344 = 6877^2 + 4312^2 .

It is a cyclic number.

It is not a de Polignac number, because 65886473 - 2¹⁴ = 65870089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65886413) 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, 621518 + ... + 621623.

It is an arithmetic number, because the mean of its divisors is an integer number (16782417).

Almost surely, 2^65886473 is an apocalyptic number.

It is an amenable number.

65886473 is a deficient number, since it is larger than the sum of its proper divisors (1243195).

65886473 is a wasteful number, since it uses less digits than its factorization.

65886473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243194.

The product of its digits is 967680, while the sum is 47.

The square root of 65886473 is about 8117.0482935609. The cubic root of 65886473 is about 403.8921570303.

The spelling of 65886473 in words is "sixty-five million, eight hundred eighty-six thousand, four hundred seventy-three".