86851612061223 has 4 divisors (see below), whose sum is σ = 115802149414968. Its totient is φ = 57901074707480.

The previous prime is 86851612061189. The next prime is 86851612061303. The reversal of 86851612061223 is 32216021615868.

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

It is a cyclic number.

It is not a de Polignac number, because 86851612061223 - 2⁹ = 86851612060711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86851612061323) 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, 14475268676868 + ... + 14475268676873.

It is an arithmetic number, because the mean of its divisors is an integer number (28950537353742).

Almost surely, 2^{86851612061223} is an apocalyptic number.

86851612061223 is a deficient number, since it is larger than the sum of its proper divisors (28950537353745).

86851612061223 is a wasteful number, since it uses less digits than its factorization.

86851612061223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28950537353744.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 86851612061223 in words is "eighty-six trillion, eight hundred fifty-one billion, six hundred twelve million, sixty-one thousand, two hundred twenty-three".