215008069 has 8 divisors (see below), whose sum is σ = 217788480. Its totient is φ = 212235936.

The previous prime is 215008067. The next prime is 215008091. The reversal of 215008069 is 960800512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215008069 - 2¹ = 215008067 is a prime.

It is a super-2 number, since 2×215008069² = 92456939470217522, 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 215008069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215008063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63042 + ... + 66364.

It is an arithmetic number, because the mean of its divisors is an integer number (27223560).

Almost surely, 2^215008069 is an apocalyptic number.

It is an amenable number.

215008069 is a deficient number, since it is larger than the sum of its proper divisors (2780411).

215008069 is an equidigital number, since it uses as much as digits as its factorization.

215008069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 215008069 is about 14663.1534466499. The cubic root of 215008069 is about 599.0801358409.

The spelling of 215008069 in words is "two hundred fifteen million, eight thousand, sixty-nine".