85238477 has 4 divisors (see below), whose sum is σ = 85354560. Its totient is φ = 85122396.

The previous prime is 85238441. The next prime is 85238497. The reversal of 85238477 is 77483258.

It is a happy number.

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 85238477 - 2²⁶ = 18129613 is a prime.

It is a super-2 number, since 2×85238477² = 14531195922559058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85238407) 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, 56933 + ... + 58410.

It is an arithmetic number, because the mean of its divisors is an integer number (21338640).

Almost surely, 2^85238477 is an apocalyptic number.

It is an amenable number.

85238477 is a deficient number, since it is larger than the sum of its proper divisors (116083).

85238477 is a wasteful number, since it uses less digits than its factorization.

85238477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116082.

The product of its digits is 376320, while the sum is 44.

The square root of 85238477 is about 9232.4686297869. The cubic root of 85238477 is about 440.0937764997.

The spelling of 85238477 in words is "eighty-five million, two hundred thirty-eight thousand, four hundred seventy-seven".