85867823234787 has 8 divisors (see below), whose sum is σ = 124898651977920. Its totient is φ = 52041104990760.

The previous prime is 85867823234717. The next prime is 85867823234797. The reversal of 85867823234787 is 78743232876858.

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

It is not a de Polignac number, because 85867823234787 - 2⁷ = 85867823234659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85867823234717) 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, 1301027624737 + ... + 1301027624802.

It is an arithmetic number, because the mean of its divisors is an integer number (15612331497240).

Almost surely, 2^{85867823234787} is an apocalyptic number.

85867823234787 is a deficient number, since it is larger than the sum of its proper divisors (39030828743133).

85867823234787 is a wasteful number, since it uses less digits than its factorization.

85867823234787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602055249553.

The product of its digits is 6069288960, while the sum is 78.

The spelling of 85867823234787 in words is "eighty-five trillion, eight hundred sixty-seven billion, eight hundred twenty-three million, two hundred thirty-four thousand, seven hundred eighty-seven".