83375388 has 18 divisors (see below), whose sum is σ = 210754544. Its totient is φ = 27791784.

The previous prime is 83375387. The next prime is 83375419. The reversal of 83375388 is 88357338.

It is a happy number.

83375388 is a `hidden beast` number, since 83 + 37 + 538 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83375387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1157956 + ... + 1158027.

Almost surely, 2^83375388 is an apocalyptic number.

It is an amenable number.

83375388 is an abundant number, since it is smaller than the sum of its proper divisors (127379156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83375388 is a wasteful number, since it uses less digits than its factorization.

83375388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315993 (or 2315988 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 83375388 is about 9131.0124301744. The cubic root of 83375388 is about 436.8636962820.

The spelling of 83375388 in words is "eighty-three million, three hundred seventy-five thousand, three hundred eighty-eight".