86378430200551 has 4 divisors (see below), whose sum is σ = 86441897086704. Its totient is φ = 86314963314400.

The previous prime is 86378430200537. The next prime is 86378430200561. The reversal of 86378430200551 is 15500203487368.

It is a happy number.

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 86378430200551 - 2¹¹ = 86378430198503 is a prime.

It is a super-2 number, since 2×86378430200551² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86378430200561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31733441035 + ... + 31733443756.

It is an arithmetic number, because the mean of its divisors is an integer number (21610474271676).

Almost surely, 2^{86378430200551} is an apocalyptic number.

86378430200551 is a deficient number, since it is larger than the sum of its proper divisors (63466886153).

86378430200551 is a wasteful number, since it uses less digits than its factorization.

86378430200551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63466886152.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 86378430200551 in words is "eighty-six trillion, three hundred seventy-eight billion, four hundred thirty million, two hundred thousand, five hundred fifty-one".