850113539 has 4 divisors (see below), whose sum is σ = 927396600. Its totient is φ = 772830480.

The previous prime is 850113521. The next prime is 850113547. The reversal of 850113539 is 935311058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 850113539 - 2⁸ = 850113283 is a prime.

It is a super-2 number, since 2×850113539² = 1445386058382209042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 850113499 and 850113508.

It is not an unprimeable number, because it can be changed into a prime (850113839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38641514 + ... + 38641535.

It is an arithmetic number, because the mean of its divisors is an integer number (231849150).

Almost surely, 2^850113539 is an apocalyptic number.

850113539 is a deficient number, since it is larger than the sum of its proper divisors (77283061).

850113539 is a wasteful number, since it uses less digits than its factorization.

850113539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77283060.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 850113539 is about 29156.7065869930. The cubic root of 850113539 is about 947.3104125192.

The spelling of 850113539 in words is "eight hundred fifty million, one hundred thirteen thousand, five hundred thirty-nine".