65276663 has 4 divisors (see below), whose sum is σ = 65334528. Its totient is φ = 65218800.

The previous prime is 65276657. The next prime is 65276671. The reversal of 65276663 is 36667256.

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 65276663 - 2¹⁶ = 65211127 is a prime.

It is a super-2 number, since 2×65276663² = 8522085464831138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65276663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65276063) 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, 27206 + ... + 29507.

It is an arithmetic number, because the mean of its divisors is an integer number (16333632).

Almost surely, 2^65276663 is an apocalyptic number.

65276663 is a deficient number, since it is larger than the sum of its proper divisors (57865).

65276663 is a wasteful number, since it uses less digits than its factorization.

65276663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57864.

The product of its digits is 272160, while the sum is 41.

The square root of 65276663 is about 8079.3974404036. The cubic root of 65276663 is about 402.6422228003.

The spelling of 65276663 in words is "sixty-five million, two hundred seventy-six thousand, six hundred sixty-three".