1085007656 has 8 divisors (see below), whose sum is σ = 2034389370. Its totient is φ = 542503824.

The previous prime is 1085007619. The next prime is 1085007661. The reversal of 1085007656 is 6567005801.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 995402500 + 89605156 = 31550^2 + 9466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1085007656² = 2354483227157228672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67812971 + ... + 67812986.

Almost surely, 2^1085007656 is an apocalyptic number.

It is an amenable number.

1085007656 is a deficient number, since it is larger than the sum of its proper divisors (949381714).

1085007656 is a wasteful number, since it uses less digits than its factorization.

1085007656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135625963 (or 135625959 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 1085007656 is about 32939.4543974244. The cubic root of 1085007656 is about 1027.5688588579.

The spelling of 1085007656 in words is "one billion, eighty-five million, seven thousand, six hundred fifty-six".