85987756 has 6 divisors (see below), whose sum is σ = 150478580. Its totient is φ = 42993876.

The previous prime is 85987753. The next prime is 85987771. The reversal of 85987756 is 65778958.

It is a junction number, because it is equal to n+sod(n) for n = 85987697 and 85987706.

It is not an unprimeable number, because it can be changed into a prime (85987753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10748466 + ... + 10748473.

Almost surely, 2^85987756 is an apocalyptic number.

It is an amenable number.

85987756 is a deficient number, since it is larger than the sum of its proper divisors (64490824).

85987756 is a wasteful number, since it uses less digits than its factorization.

85987756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21496943 (or 21496941 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 55.

The square root of 85987756 is about 9272.9583197597. The cubic root of 85987756 is about 441.3795475458.

The spelling of 85987756 in words is "eighty-five million, nine hundred eighty-seven thousand, seven hundred fifty-six".