85501427 has 4 divisors (see below), whose sum is σ = 93274296. Its totient is φ = 77728560.

The previous prime is 85501421. The next prime is 85501457. The reversal of 85501427 is 72410558.

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 85501427 - 2⁴ = 85501411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85501393 and 85501402.

It is not an unprimeable number, because it can be changed into a prime (85501421) 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, 3886418 + ... + 3886439.

It is an arithmetic number, because the mean of its divisors is an integer number (23318574).

Almost surely, 2^85501427 is an apocalyptic number.

85501427 is a deficient number, since it is larger than the sum of its proper divisors (7772869).

85501427 is a wasteful number, since it uses less digits than its factorization.

85501427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7772868.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 85501427 is about 9246.6981674542. The cubic root of 85501427 is about 440.5458566303.

The spelling of 85501427 in words is "eighty-five million, five hundred one thousand, four hundred twenty-seven".