65076489 has 9 divisors (see below), whose sum is σ = 94034343. Its totient is φ = 43368192.

The previous prime is 65076467. The next prime is 65076491. The reversal of 65076489 is 98467056.

The square root of 65076489 is 8067.

It is a perfect power (a square), and thus also a powerful number.

65076489 is a `hidden beast` number, since 6 + 507 + 64 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2350089 + 62726400 = 1533^2 + 7920^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 65076489 - 2⁹ = 65075977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65076449) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22857 + ... + 25545.

Almost surely, 2^65076489 is an apocalyptic number.

65076489 is the 8067-th square number.

65076489 is the 4034-th centered octagonal number.

It is an amenable number.

65076489 is a deficient number, since it is larger than the sum of its proper divisors (28957854).

65076489 is an frugal number, since it uses more digits than its factorization.

65076489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384 (or 2692 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The cubic root of 65076489 is about 402.2302275194.

It can be divided in two parts, 6507 and 6489, that added together give a square (12996 = 114²).

The spelling of 65076489 in words is "sixty-five million, seventy-six thousand, four hundred eighty-nine".