1086857963 has 4 divisors (see below), whose sum is σ = 1088169840. Its totient is φ = 1085546088.

The previous prime is 1086857899. The next prime is 1086857983. The reversal of 1086857963 is 3697586801.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1086857963 - 2⁶ = 1086857899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086857983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654695 + ... + 656352.

It is an arithmetic number, because the mean of its divisors is an integer number (272042460).

Almost surely, 2^1086857963 is an apocalyptic number.

1086857963 is a deficient number, since it is larger than the sum of its proper divisors (1311877).

1086857963 is an equidigital number, since it uses as much as digits as its factorization.

1086857963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311876.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 1086857963 is about 32967.5289186193. The cubic root of 1086857963 is about 1028.1526452386.

The spelling of 1086857963 in words is "one billion, eighty-six million, eight hundred fifty-seven thousand, nine hundred sixty-three".