86226770881 has 48 divisors (see below), whose sum is σ = 98398858320. Its totient is φ = 75528046080.

The previous prime is 86226770837. The next prime is 86226770891. The reversal of 86226770881 is 18807762268.

It can be written as a sum of positive squares in 8 ways, for example, as 5661057600 + 80565713281 = 75240^2 + 283841^2 .

It is not a de Polignac number, because 86226770881 - 2⁷ = 86226770753 is a prime.

It is a super-2 number, since 2×86226770881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86226770821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108188775 + ... + 108189571.

It is an arithmetic number, because the mean of its divisors is an integer number (2049976215).

Almost surely, 2^86226770881 is an apocalyptic number.

It is an amenable number.

86226770881 is a deficient number, since it is larger than the sum of its proper divisors (12172087439).

86226770881 is an equidigital number, since it uses as much as digits as its factorization.

86226770881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 55.

The spelling of 86226770881 in words is "eighty-six billion, two hundred twenty-six million, seven hundred seventy thousand, eight hundred eighty-one".