83425707 has 20 divisors (see below), whose sum is σ = 126135240. Its totient is φ = 54942624.

The previous prime is 83425703. The next prime is 83425709. The reversal of 83425707 is 70752438.

83425707 is a `hidden beast` number, since 83 + 4 + 2 + 570 + 7 = 666.

It is not a de Polignac number, because 83425707 - 2² = 83425703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83425703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 519 + ... + 12927.

It is an arithmetic number, because the mean of its divisors is an integer number (6306762).

Almost surely, 2^83425707 is an apocalyptic number.

83425707 is a deficient number, since it is larger than the sum of its proper divisors (42709533).

83425707 is a wasteful number, since it uses less digits than its factorization.

83425707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12504 (or 12495 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 83425707 is about 9133.7674045270. The cubic root of 83425707 is about 436.9515644328.

The spelling of 83425707 in words is "eighty-three million, four hundred twenty-five thousand, seven hundred seven".