83745888 has 24 divisors (see below), whose sum is σ = 219833208. Its totient is φ = 27915264.

The previous prime is 83745853. The next prime is 83745889. The reversal of 83745888 is 88854738.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 83745888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83745889) 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, 436081 + ... + 436272.

It is an arithmetic number, because the mean of its divisors is an integer number (9159717).

Almost surely, 2^83745888 is an apocalyptic number.

It is an amenable number.

83745888 is an abundant number, since it is smaller than the sum of its proper divisors (136087320).

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

83745888 is a wasteful number, since it uses less digits than its factorization.

83745888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872366 (or 872358 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The square root of 83745888 is about 9151.2779435443. The cubic root of 83745888 is about 437.5098455471.

The spelling of 83745888 in words is "eighty-three million, seven hundred forty-five thousand, eight hundred eighty-eight".