65276863 has 4 divisors (see below), whose sum is σ = 65525328. Its totient is φ = 65028400.

The previous prime is 65276851. The next prime is 65276891. The reversal of 65276863 is 36867256.

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 65276863 - 2¹⁷ = 65145791 is a prime.

It is a super-2 number, since 2×65276863² = 8522137686241538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65276803) 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, 123838 + ... + 124363.

It is an arithmetic number, because the mean of its divisors is an integer number (16381332).

Almost surely, 2^65276863 is an apocalyptic number.

65276863 is a deficient number, since it is larger than the sum of its proper divisors (248465).

65276863 is a wasteful number, since it uses less digits than its factorization.

65276863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248464.

The product of its digits is 362880, while the sum is 43.

The square root of 65276863 is about 8079.4098175547. The cubic root of 65276863 is about 402.6426340160.

The spelling of 65276863 in words is "sixty-five million, two hundred seventy-six thousand, eight hundred sixty-three".