83387748 has 12 divisors (see below), whose sum is σ = 194571440. Its totient is φ = 27795912.

The previous prime is 83387747. The next prime is 83387753. The reversal of 83387748 is 84778338.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 83387697 and 83387706.

It is not an unprimeable number, because it can be changed into a prime (83387743) 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 3 ways as a sum of consecutive naturals, for example, 3474478 + ... + 3474501.

Almost surely, 2^83387748 is an apocalyptic number.

It is an amenable number.

83387748 is an abundant number, since it is smaller than the sum of its proper divisors (111183692).

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

83387748 is a wasteful number, since it uses less digits than its factorization.

83387748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948986 (or 6948984 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 83387748 is about 9131.6892194161. The cubic root of 83387748 is about 436.8852828622.

The spelling of 83387748 in words is "eighty-three million, three hundred eighty-seven thousand, seven hundred forty-eight".