86273578415 has 4 divisors (see below), whose sum is σ = 103528294104. Its totient is φ = 69018862728.

The previous prime is 86273578411. The next prime is 86273578421. The reversal of 86273578415 is 51487537268.

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 86273578415 - 2² = 86273578411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86273578411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8627357837 + ... + 8627357846.

It is an arithmetic number, because the mean of its divisors is an integer number (25882073526).

Almost surely, 2^86273578415 is an apocalyptic number.

86273578415 is a deficient number, since it is larger than the sum of its proper divisors (17254715689).

86273578415 is a wasteful number, since it uses less digits than its factorization.

86273578415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17254715688.

The product of its digits is 11289600, while the sum is 56.

The spelling of 86273578415 in words is "eighty-six billion, two hundred seventy-three million, five hundred seventy-eight thousand, four hundred fifteen".