85854013 has 4 divisors (see below), whose sum is σ = 98118880. Its totient is φ = 73589148.

The previous prime is 85853969. The next prime is 85854047. The reversal of 85854013 is 31045858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31045858 = 2 ⋅15522929.

It is a cyclic number.

It is not a de Polignac number, because 85854013 - 2²¹ = 83756861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85854013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85855013) 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, 6132423 + ... + 6132436.

It is an arithmetic number, because the mean of its divisors is an integer number (24529720).

Almost surely, 2^85854013 is an apocalyptic number.

It is an amenable number.

85854013 is a deficient number, since it is larger than the sum of its proper divisors (12264867).

85854013 is a wasteful number, since it uses less digits than its factorization.

85854013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12264866.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 85854013 is about 9265.7440607865. The cubic root of 85854013 is about 441.1505922490.

The spelling of 85854013 in words is "eighty-five million, eight hundred fifty-four thousand, thirteen".