85850577 has 8 divisors (see below), whose sum is σ = 127186080. Its totient is φ = 57233700.

The previous prime is 85850551. The next prime is 85850587. The reversal of 85850577 is 77505858.

It is a happy number.

It is not a de Polignac number, because 85850577 - 2¹⁰ = 85849553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85850587) 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, 1589799 + ... + 1589852.

It is an arithmetic number, because the mean of its divisors is an integer number (15898260).

Almost surely, 2^85850577 is an apocalyptic number.

It is an amenable number.

85850577 is a deficient number, since it is larger than the sum of its proper divisors (41335503).

85850577 is a wasteful number, since it uses less digits than its factorization.

85850577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179660 (or 3179654 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 45.

The square root of 85850577 is about 9265.5586447877. The cubic root of 85850577 is about 441.1447070120.

It can be divided in two parts, 8 and 5850577, that added together give a palindrome (5850585).

The spelling of 85850577 in words is "eighty-five million, eight hundred fifty thousand, five hundred seventy-seven".