84350833425 has 18 divisors (see below), whose sum is σ = 151081715382. Its totient is φ = 44987111040.

The previous prime is 84350833387. The next prime is 84350833439. The reversal of 84350833425 is 52433805348.

It can be written as a sum of positive squares in 3 ways, for example, as 422425809 + 83928407616 = 20553^2 + 289704^2 .

It is not a de Polignac number, because 84350833425 - 2¹⁷ = 84350702353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 187446072 + ... + 187446521.

Almost surely, 2^84350833425 is an apocalyptic number.

It is an amenable number.

84350833425 is a deficient number, since it is larger than the sum of its proper divisors (66730881957).

84350833425 is a wasteful number, since it uses less digits than its factorization.

84350833425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374892609 (or 374892601 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 84350833425 in words is "eighty-four billion, three hundred fifty million, eight hundred thirty-three thousand, four hundred twenty-five".