1085527857 has 8 divisors (see below), whose sum is σ = 1457935776. Its totient is φ = 718402592.

The previous prime is 1085527829. The next prime is 1085527909. The reversal of 1085527857 is 7587255801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1085527857 - 2⁸ = 1085527601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1085527657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320183 + ... + 1321004.

It is an arithmetic number, because the mean of its divisors is an integer number (182241972).

Almost surely, 2^1085527857 is an apocalyptic number.

It is an amenable number.

1085527857 is a deficient number, since it is larger than the sum of its proper divisors (372407919).

1085527857 is a wasteful number, since it uses less digits than its factorization.

1085527857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641327.

The product of its (nonzero) digits is 784000, while the sum is 48.

The square root of 1085527857 is about 32947.3497720226. The cubic root of 1085527857 is about 1027.7330533807.

The spelling of 1085527857 in words is "one billion, eighty-five million, five hundred twenty-seven thousand, eight hundred fifty-seven".