85048381 has 4 divisors (see below), whose sum is σ = 92780064. Its totient is φ = 77316700.

The previous prime is 85048373. The next prime is 85048451. The reversal of 85048381 is 18384058.

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.

It is a cyclic number.

It is not a de Polignac number, because 85048381 - 2³ = 85048373 is a prime.

It is a super-2 number, since 2×85048381² = 14466454221442322, which contains 22 as substring.

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 85048381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85048321) 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, 3865825 + ... + 3865846.

It is an arithmetic number, because the mean of its divisors is an integer number (23195016).

Almost surely, 2^85048381 is an apocalyptic number.

It is an amenable number.

85048381 is a deficient number, since it is larger than the sum of its proper divisors (7731683).

85048381 is a wasteful number, since it uses less digits than its factorization.

85048381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731682.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 85048381 is about 9222.1679121560. The cubic root of 85048381 is about 439.7663721842.

The spelling of 85048381 in words is "eighty-five million, forty-eight thousand, three hundred eighty-one".