86361224551 has 16 divisors (see below), whose sum is σ = 100614830400. Its totient is φ = 72588192768.

The previous prime is 86361224539. The next prime is 86361224563. The reversal of 86361224551 is 15542216368.

It is an interprime number because it is at equal distance from previous prime (86361224539) and next prime (86361224563).

It is not a de Polignac number, because 86361224551 - 2¹⁷ = 86361093479 is a prime.

It is a super-2 number, since 2×86361224551² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86361224498 and 86361224507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86361227551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639205 + ... + 762433.

It is an arithmetic number, because the mean of its divisors is an integer number (6288426900).

Almost surely, 2^86361224551 is an apocalyptic number.

86361224551 is a deficient number, since it is larger than the sum of its proper divisors (14253605849).

86361224551 is a wasteful number, since it uses less digits than its factorization.

86361224551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125178.

The product of its digits is 345600, while the sum is 43.

The spelling of 86361224551 in words is "eighty-six billion, three hundred sixty-one million, two hundred twenty-four thousand, five hundred fifty-one".