83802423426947 has 2 divisors, whose sum is σ = 83802423426948. Its totient is φ = 83802423426946.

The previous prime is 83802423426929. The next prime is 83802423427061. The reversal of 83802423426947 is 74962432420838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83802423426947 - 2⁸ = 83802423426691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83802423426947.

It is not a weakly prime, because it can be changed into another prime (83802423426347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41901211713473 + 41901211713474.

It is an arithmetic number, because the mean of its divisors is an integer number (41901211713474).

Almost surely, 2^{83802423426947} is an apocalyptic number.

83802423426947 is a deficient number, since it is larger than the sum of its proper divisors (1).

83802423426947 is an equidigital number, since it uses as much as digits as its factorization.

83802423426947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111476736, while the sum is 62.

The spelling of 83802423426947 in words is "eighty-three trillion, eight hundred two billion, four hundred twenty-three million, four hundred twenty-six thousand, nine hundred forty-seven".