86228820843 has 24 divisors (see below), whose sum is σ = 133807688784. Its totient is φ = 49185776640.

The previous prime is 86228820781. The next prime is 86228820871. The reversal of 86228820843 is 34802882268.

It is a happy number.

It is not a de Polignac number, because 86228820843 - 2¹⁰ = 86228819819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (86228020843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6980446 + ... + 6992787.

It is an arithmetic number, because the mean of its divisors is an integer number (5575320366).

Almost surely, 2^86228820843 is an apocalyptic number.

86228820843 is a deficient number, since it is larger than the sum of its proper divisors (47578867941).

86228820843 is a wasteful number, since it uses less digits than its factorization.

86228820843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13973275 (or 13973264 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 51.

The spelling of 86228820843 in words is "eighty-six billion, two hundred twenty-eight million, eight hundred twenty thousand, eight hundred forty-three".