86544217742534 has 16 divisors (see below), whose sum is σ = 130242627481200. Its totient is φ = 43130089626624.

The previous prime is 86544217742527. The next prime is 86544217742537. The reversal of 86544217742534 is 43524771244568.

It is a super-2 number, since 2×86544217742534² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86544217742537) 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, 18123464 + ... + 22395275.

It is an arithmetic number, because the mean of its divisors is an integer number (8140164217575).

Almost surely, 2^{86544217742534} is an apocalyptic number.

86544217742534 is a deficient number, since it is larger than the sum of its proper divisors (43698409738666).

86544217742534 is a wasteful number, since it uses less digits than its factorization.

86544217742534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40522247.

The product of its digits is 180633600, while the sum is 62.

The spelling of 86544217742534 in words is "eighty-six trillion, five hundred forty-four billion, two hundred seventeen million, seven hundred forty-two thousand, five hundred thirty-four".