85238737 has 4 divisors (see below), whose sum is σ = 85317120. Its totient is φ = 85160356.

The previous prime is 85238729. The next prime is 85238749. The reversal of 85238737 is 73783258.

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 85238737 - 2³ = 85238729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85238693 and 85238702.

It is not an unprimeable number, because it can be changed into a prime (85238767) 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, 37537 + ... + 39742.

It is an arithmetic number, because the mean of its divisors is an integer number (21329280).

Almost surely, 2^85238737 is an apocalyptic number.

It is an amenable number.

85238737 is a deficient number, since it is larger than the sum of its proper divisors (78383).

85238737 is a wasteful number, since it uses less digits than its factorization.

85238737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78382.

The product of its digits is 282240, while the sum is 43.

The square root of 85238737 is about 9232.4827105173. The cubic root of 85238737 is about 440.0942239669.

The spelling of 85238737 in words is "eighty-five million, two hundred thirty-eight thousand, seven hundred thirty-seven".