84474673937 has 2 divisors, whose sum is σ = 84474673938. Its totient is φ = 84474673936.

The previous prime is 84474673901. The next prime is 84474673963. The reversal of 84474673937 is 73937647448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80497605841 + 3977068096 = 283721^2 + 63064^2 .

It is a cyclic number.

It is not a de Polignac number, because 84474673937 - 2¹⁶ = 84474608401 is a prime.

It is a super-3 number, since 3×84474673937³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84474673937.

It is not a weakly prime, because it can be changed into another prime (84474673967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42237336968 + 42237336969.

It is an arithmetic number, because the mean of its divisors is an integer number (42237336969).

Almost surely, 2^84474673937 is an apocalyptic number.

It is an amenable number.

84474673937 is a deficient number, since it is larger than the sum of its proper divisors (1).

84474673937 is an equidigital number, since it uses as much as digits as its factorization.

84474673937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85349376, while the sum is 62.

The spelling of 84474673937 in words is "eighty-four billion, four hundred seventy-four million, six hundred seventy-three thousand, nine hundred thirty-seven".