1161587882 has 32 divisors (see below), whose sum is σ = 2148854400. Its totient is φ = 458589888.

The previous prime is 1161587863. The next prime is 1161587923. The reversal of 1161587882 is 2887851611.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86369 + ... + 98907.

It is an arithmetic number, because the mean of its divisors is an integer number (67151700).

Almost surely, 2^1161587882 is an apocalyptic number.

1161587882 is a deficient number, since it is larger than the sum of its proper divisors (987266518).

1161587882 is a wasteful number, since it uses less digits than its factorization.

1161587882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13070.

The product of its digits is 215040, while the sum is 47.

The square root of 1161587882 is about 34082.0756703579. The cubic root of 1161587882 is about 1051.1967856550.

The spelling of 1161587882 in words is "one billion, one hundred sixty-one million, five hundred eighty-seven thousand, eight hundred eighty-two".