1086691882 has 4 divisors (see below), whose sum is σ = 1630037826. Its totient is φ = 543345940.

The previous prime is 1086691877. The next prime is 1086691889. The reversal of 1086691882 is 2881966801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 904144761 + 182547121 = 30069^2 + 13511^2 .

It is not an unprimeable number, because it can be changed into a prime (1086691889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271672969 + ... + 271672972.

Almost surely, 2^1086691882 is an apocalyptic number.

1086691882 is a deficient number, since it is larger than the sum of its proper divisors (543345944).

1086691882 is an equidigital number, since it uses as much as digits as its factorization.

1086691882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543345943.

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 1086691882 is about 32965.0099651130. The cubic root of 1086691882 is about 1028.1002724589.

The spelling of 1086691882 in words is "one billion, eighty-six million, six hundred ninety-one thousand, eight hundred eighty-two".