647216086883 has 2 divisors, whose sum is σ = 647216086884. Its totient is φ = 647216086882.

The previous prime is 647216086879. The next prime is 647216086919. The reversal of 647216086883 is 388680612746.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 647216086883 - 2² = 647216086879 is a prime.

It is a super-3 number, since 3×647216086883³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (647216086873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323608043441 + 323608043442.

It is an arithmetic number, because the mean of its divisors is an integer number (323608043442).

Almost surely, 2^647216086883 is an apocalyptic number.

647216086883 is a deficient number, since it is larger than the sum of its proper divisors (1).

647216086883 is an equidigital number, since it uses as much as digits as its factorization.

647216086883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 647216086883 in words is "six hundred forty-seven billion, two hundred sixteen million, eighty-six thousand, eight hundred eighty-three".