83253789 has 12 divisors (see below), whose sum is σ = 120684096. Its totient is φ = 55304712.

The previous prime is 83253787. The next prime is 83253791. The reversal of 83253789 is 98735238.

83253789 is a `hidden beast` number, since 8 + 32 + 537 + 89 = 666.

It is an interprime number because it is at equal distance from previous prime (83253787) and next prime (83253791).

It is not a de Polignac number, because 83253789 - 2¹ = 83253787 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83253787) 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, 13797 + ... + 18890.

It is an arithmetic number, because the mean of its divisors is an integer number (10057008).

Almost surely, 2^83253789 is an apocalyptic number.

It is an amenable number.

83253789 is a deficient number, since it is larger than the sum of its proper divisors (37430307).

83253789 is a wasteful number, since it uses less digits than its factorization.

83253789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32976 (or 32973 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 83253789 is about 9124.3514290058. The cubic root of 83253789 is about 436.6512113741.

The spelling of 83253789 in words is "eighty-three million, two hundred fifty-three thousand, seven hundred eighty-nine".