215877680147 has 8 divisors (see below), whose sum is σ = 217539808656. Its totient is φ = 214219186272.

The previous prime is 215877680141. The next prime is 215877680153. The reversal of 215877680147 is 741086778512.

It is an interprime number because it is at equal distance from previous prime (215877680141) and next prime (215877680153).

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 215877680147 - 2⁸ = 215877679891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215877680092 and 215877680101.

It is not an unprimeable number, because it can be changed into a prime (215877680141) 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, 789353 + ... + 1027050.

It is an arithmetic number, because the mean of its divisors is an integer number (27192476082).

Almost surely, 2^215877680147 is an apocalyptic number.

215877680147 is a deficient number, since it is larger than the sum of its proper divisors (1662128509).

215877680147 is a wasteful number, since it uses less digits than its factorization.

215877680147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817317.

The product of its (nonzero) digits is 5268480, while the sum is 56.

The spelling of 215877680147 in words is "two hundred fifteen billion, eight hundred seventy-seven million, six hundred eighty thousand, one hundred forty-seven".