85016920037 has 4 divisors (see below), whose sum is σ = 97162194336. Its totient is φ = 72871645740.

The previous prime is 85016920007. The next prime is 85016920081. The reversal of 85016920037 is 73002961058.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73002961058 = 2 ⋅36501480529.

It is a cyclic number.

It is not a de Polignac number, because 85016920037 - 2¹² = 85016915941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85016919976 and 85016920003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85016920007) 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, 6072637139 + ... + 6072637152.

It is an arithmetic number, because the mean of its divisors is an integer number (24290548584).

Almost surely, 2^85016920037 is an apocalyptic number.

It is an amenable number.

85016920037 is a deficient number, since it is larger than the sum of its proper divisors (12145274299).

85016920037 is a wasteful number, since it uses less digits than its factorization.

85016920037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12145274298.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 85016920037 in words is "eighty-five billion, sixteen million, nine hundred twenty thousand, thirty-seven".