216000765 has 24 divisors (see below), whose sum is σ = 375043968. Its totient is φ = 115002720.

The previous prime is 216000761. The next prime is 216000779. The reversal of 216000765 is 567000612.

It is not a de Polignac number, because 216000765 - 2² = 216000761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216000761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24592 + ... + 32198.

It is an arithmetic number, because the mean of its divisors is an integer number (15626832).

Almost surely, 2^216000765 is an apocalyptic number.

It is an amenable number.

216000765 is a deficient number, since it is larger than the sum of its proper divisors (159043203).

216000765 is a wasteful number, since it uses less digits than its factorization.

216000765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8249 (or 8246 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 216000765 is about 14696.9644825045. The cubic root of 216000765 is about 600.0007083325. Note that the first 3 decimals are identical.

The spelling of 216000765 in words is "two hundred sixteen million, seven hundred sixty-five", and thus it is an aban number.