86826802628 has 12 divisors (see below), whose sum is σ = 153654173820. Its totient is φ = 42925610112.

The previous prime is 86826802591. The next prime is 86826802637. The reversal of 86826802628 is 82620862868.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36407692864 + 50419109764 = 190808^2 + 224542^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121947401 + ... + 121948112.

It is an arithmetic number, because the mean of its divisors is an integer number (12804514485).

Almost surely, 2^86826802628 is an apocalyptic number.

It is an amenable number.

86826802628 is a deficient number, since it is larger than the sum of its proper divisors (66827371192).

86826802628 is a wasteful number, since it uses less digits than its factorization.

86826802628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243895606 (or 243895604 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 56.

The spelling of 86826802628 in words is "eighty-six billion, eight hundred twenty-six million, eight hundred two thousand, six hundred twenty-eight".