85738837 has 4 divisors (see below), whose sum is σ = 90782316. Its totient is φ = 80695360.

The previous prime is 85738823. The next prime is 85738853. The reversal of 85738837 is 73883758.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58844241 + 26894596 = 7671^2 + 5186^2 .

It is a cyclic number.

It is not a de Polignac number, because 85738837 - 2¹⁵ = 85706069 is a prime.

It is a super-2 number, since 2×85738837² = 14702296340225138, 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 (85738897) 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, 2521714 + ... + 2521747.

It is an arithmetic number, because the mean of its divisors is an integer number (22695579).

Almost surely, 2^85738837 is an apocalyptic number.

It is an amenable number.

85738837 is a deficient number, since it is larger than the sum of its proper divisors (5043479).

85738837 is a wasteful number, since it uses less digits than its factorization.

85738837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043478.

The product of its digits is 1128960, while the sum is 49.

The square root of 85738837 is about 9259.5268237637. The cubic root of 85738837 is about 440.9532312604.

The spelling of 85738837 in words is "eighty-five million, seven hundred thirty-eight thousand, eight hundred thirty-seven".