216237079 has 12 divisors (see below), whose sum is σ = 225150016. Its totient is φ = 207664128.

The previous prime is 216237037. The next prime is 216237107. The reversal of 216237079 is 970732612.

It is not a de Polignac number, because 216237079 - 2²⁷ = 82019351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216237029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186967 + ... + 188119.

Almost surely, 2^216237079 is an apocalyptic number.

216237079 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

216237079 is a deficient number, since it is larger than the sum of its proper divisors (8912937).

216237079 is a wasteful number, since it uses less digits than its factorization.

216237079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 216237079 is about 14705.0018361101. The cubic root of 216237079 is about 600.2194373282.

The spelling of 216237079 in words is "two hundred sixteen million, two hundred thirty-seven thousand, seventy-nine".