83750105 has 4 divisors (see below), whose sum is σ = 100500132. Its totient is φ = 67000080.

The previous prime is 83750101. The next prime is 83750137. The reversal of 83750105 is 50105738.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49970761 + 33779344 = 7069^2 + 5812^2 .

It is not a de Polignac number, because 83750105 - 2² = 83750101 is a prime.

It is a super-2 number, since 2×83750105² = 14028160175022050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83750101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8375006 + ... + 8375015.

It is an arithmetic number, because the mean of its divisors is an integer number (25125033).

Almost surely, 2^83750105 is an apocalyptic number.

It is an amenable number.

83750105 is a deficient number, since it is larger than the sum of its proper divisors (16750027).

83750105 is a wasteful number, since it uses less digits than its factorization.

83750105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16750026.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 83750105 is about 9151.5083456226. The cubic root of 83750105 is about 437.5171889845.

The spelling of 83750105 in words is "eighty-three million, seven hundred fifty thousand, one hundred five".