85774666893 has 8 divisors (see below), whose sum is σ = 114373404000. Its totient is φ = 57179520528.

The previous prime is 85774666877. The next prime is 85774666919. The reversal of 85774666893 is 39866647758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85774666893 - 2⁴ = 85774666877 is a prime.

It is a super-2 number, since 2×85774666893² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85774666823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841443 + ... + 937856.

It is an arithmetic number, because the mean of its divisors is an integer number (14296675500).

Almost surely, 2^85774666893 is an apocalyptic number.

It is an amenable number.

85774666893 is a deficient number, since it is larger than the sum of its proper divisors (28598737107).

85774666893 is a wasteful number, since it uses less digits than its factorization.

85774666893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795371.

The product of its digits is 365783040, while the sum is 69.

The spelling of 85774666893 in words is "eighty-five billion, seven hundred seventy-four million, six hundred sixty-six thousand, eight hundred ninety-three".