1217680882 has 16 divisors (see below), whose sum is σ = 2016578592. Its totient is φ = 546821920.

The previous prime is 1217680843. The next prime is 1217680897. The reversal of 1217680882 is 2880867121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331603 + ... + 335254.

It is an arithmetic number, because the mean of its divisors is an integer number (126036162).

Almost surely, 2^1217680882 is an apocalyptic number.

1217680882 is a deficient number, since it is larger than the sum of its proper divisors (798897710).

1217680882 is a wasteful number, since it uses less digits than its factorization.

1217680882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666953.

The product of its (nonzero) digits is 86016, while the sum is 43.

The square root of 1217680882 is about 34895.2845238436. The cubic root of 1217680882 is about 1067.8522387889.

The spelling of 1217680882 in words is "one billion, two hundred seventeen million, six hundred eighty thousand, eight hundred eighty-two".