83750007 has 16 divisors (see below), whose sum is σ = 128984832. Its totient is φ = 47771520.

The previous prime is 83749993. The next prime is 83750047. The reversal of 83750007 is 70005738.

It is not a de Polignac number, because 83750007 - 2¹¹ = 83747959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83750047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74083 + ... + 75204.

It is an arithmetic number, because the mean of its divisors is an integer number (8061552).

Almost surely, 2^83750007 is an apocalyptic number.

83750007 is a deficient number, since it is larger than the sum of its proper divisors (45234825).

83750007 is a wasteful number, since it uses less digits than its factorization.

83750007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149318.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 83750007 is about 9151.5029913124. The cubic root of 83750007 is about 437.5170183312.

The spelling of 83750007 in words is "eighty-three million, seven hundred fifty thousand, seven".