85701530 has 32 divisors (see below), whose sum is σ = 158828688. Its totient is φ = 33280000.

The previous prime is 85701529. The next prime is 85701547. The reversal of 85701530 is 3510758.

It can be written as a sum of positive squares in 8 ways, for example, as 85137529 + 564001 = 9227^2 + 751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85701493 and 85701502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52730 + ... + 54330.

Almost surely, 2^85701530 is an apocalyptic number.

85701530 is a deficient number, since it is larger than the sum of its proper divisors (73127158).

85701530 is a wasteful number, since it uses less digits than its factorization.

85701530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 85701530 is about 9257.5120847882. The cubic root of 85701530 is about 440.8892655814.

The spelling of 85701530 in words is "eighty-five million, seven hundred one thousand, five hundred thirty".