83785694 has 8 divisors (see below), whose sum is σ = 126108360. Its totient is φ = 41749576.

The previous prime is 83785693. The next prime is 83785717. The reversal of 83785694 is 49658738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83785693) 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, 70904 + ... + 72075.

It is an arithmetic number, because the mean of its divisors is an integer number (15763545).

Almost surely, 2^83785694 is an apocalyptic number.

83785694 is a deficient number, since it is larger than the sum of its proper divisors (42322666).

83785694 is a wasteful number, since it uses less digits than its factorization.

83785694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143274.

The product of its digits is 1451520, while the sum is 50.

The square root of 83785694 is about 9153.4525726635. The cubic root of 83785694 is about 437.5791534608.

The spelling of 83785694 in words is "eighty-three million, seven hundred eighty-five thousand, six hundred ninety-four".