83753638 has 16 divisors (see below), whose sum is σ = 127614960. Its totient is φ = 41220576.

The previous prime is 83753633. The next prime is 83753639. The reversal of 83753638 is 83635738.

It is a junction number, because it is equal to n+sod(n) for n = 83753594 and 83753603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83753633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34356 + ... + 36712.

It is an arithmetic number, because the mean of its divisors is an integer number (7975935).

Almost surely, 2^83753638 is an apocalyptic number.

83753638 is a deficient number, since it is larger than the sum of its proper divisors (43861322).

83753638 is a wasteful number, since it uses less digits than its factorization.

83753638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631.

The product of its digits is 362880, while the sum is 43.

The square root of 83753638 is about 9151.7013718762. The cubic root of 83753638 is about 437.5233411220.

The spelling of 83753638 in words is "eighty-three million, seven hundred fifty-three thousand, six hundred thirty-eight".