84467756249 has 2 divisors, whose sum is σ = 84467756250. Its totient is φ = 84467756248.

The previous prime is 84467756207. The next prime is 84467756287. The reversal of 84467756249 is 94265776448.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61335475600 + 23132280649 = 247660^2 + 152093^2 .

It is a cyclic number.

It is not a de Polignac number, because 84467756249 - 2¹² = 84467752153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84467756191 and 84467756200.

It is not a weakly prime, because it can be changed into another prime (84467756449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42233878124 + 42233878125.

It is an arithmetic number, because the mean of its divisors is an integer number (42233878125).

Almost surely, 2^84467756249 is an apocalyptic number.

It is an amenable number.

84467756249 is a deficient number, since it is larger than the sum of its proper divisors (1).

84467756249 is an equidigital number, since it uses as much as digits as its factorization.

84467756249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81285120, while the sum is 62.

The spelling of 84467756249 in words is "eighty-four billion, four hundred sixty-seven million, seven hundred fifty-six thousand, two hundred forty-nine".