1086417857 has 16 divisors (see below), whose sum is σ = 1322054400. Its totient is φ = 890721216.

The previous prime is 1086417851. The next prime is 1086417883. The reversal of 1086417857 is 7587146801.

It is not a de Polignac number, because 1086417857 - 2⁸ = 1086417601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086417851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60968 + ... + 76745.

It is an arithmetic number, because the mean of its divisors is an integer number (82628400).

Almost surely, 2^1086417857 is an apocalyptic number.

It is an amenable number.

1086417857 is a deficient number, since it is larger than the sum of its proper divisors (235636543).

1086417857 is an equidigital number, since it uses as much as digits as its factorization.

1086417857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137757 (or 137743 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 47.

The square root of 1086417857 is about 32960.8534021800. The cubic root of 1086417857 is about 1028.0138484334.

The spelling of 1086417857 in words is "one billion, eighty-six million, four hundred seventeen thousand, eight hundred fifty-seven".