85968608490749 has 4 divisors (see below), whose sum is σ = 85968770316000. Its totient is φ = 85968446665500.

The previous prime is 85968608490733. The next prime is 85968608490841. The reversal of 85968608490749 is 94709480686958.

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 85968608490749 - 2⁴ = 85968608490733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85968608499749) 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, 80113127 + ... + 81179124.

It is an arithmetic number, because the mean of its divisors is an integer number (21492192579000).

Almost surely, 2^{85968608490749} is an apocalyptic number.

It is an amenable number.

85968608490749 is a deficient number, since it is larger than the sum of its proper divisors (161825251).

85968608490749 is a wasteful number, since it uses less digits than its factorization.

85968608490749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161825250.

The product of its (nonzero) digits is 7524679680, while the sum is 83.

The spelling of 85968608490749 in words is "eighty-five trillion, nine hundred sixty-eight billion, six hundred eight million, four hundred ninety thousand, seven hundred forty-nine".