84830478037 has 2 divisors, whose sum is σ = 84830478038. Its totient is φ = 84830478036.

The previous prime is 84830477993. The next prime is 84830478041. The reversal of 84830478037 is 73087403848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66749372881 + 18081105156 = 258359^2 + 134466^2 .

It is a cyclic number.

It is not a de Polignac number, because 84830478037 - 2⁷ = 84830477909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84830478077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42415239018 + 42415239019.

It is an arithmetic number, because the mean of its divisors is an integer number (42415239019).

Almost surely, 2^84830478037 is an apocalyptic number.

It is an amenable number.

84830478037 is a deficient number, since it is larger than the sum of its proper divisors (1).

84830478037 is an equidigital number, since it uses as much as digits as its factorization.

84830478037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 84830478037 in words is "eighty-four billion, eight hundred thirty million, four hundred seventy-eight thousand, thirty-seven".