83923825 has 12 divisors (see below), whose sum is σ = 107654940. Its totient is φ = 64823360.

The previous prime is 83923823. The next prime is 83923877. The reversal of 83923825 is 52832938.

It can be written as a sum of positive squares in 6 ways, for example, as 1459264 + 82464561 = 1208^2 + 9081^2 .

It is not a de Polignac number, because 83923825 - 2¹ = 83923823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83923823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57154 + ... + 58603.

It is an arithmetic number, because the mean of its divisors is an integer number (8971245).

Almost surely, 2^83923825 is an apocalyptic number.

It is an amenable number.

83923825 is a deficient number, since it is larger than the sum of its proper divisors (23731115).

83923825 is a wasteful number, since it uses less digits than its factorization.

83923825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115796 (or 115791 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 83923825 is about 9160.9947603958. The cubic root of 83923825 is about 437.8194890818.

It can be divided in two parts, 83923 and 825, that added together give a palindrome (84748).

The spelling of 83923825 in words is "eighty-three million, nine hundred twenty-three thousand, eight hundred twenty-five".