83159390 has 16 divisors (see below), whose sum is σ = 157565520. Its totient is φ = 31512960.

The previous prime is 83159383. The next prime is 83159399. The reversal of 83159390 is 9395138.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83159399) 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, 218651 + ... + 219030.

It is an arithmetic number, because the mean of its divisors is an integer number (9847845).

Almost surely, 2^83159390 is an apocalyptic number.

83159390 is a deficient number, since it is larger than the sum of its proper divisors (74406130).

83159390 is a wasteful number, since it uses less digits than its factorization.

83159390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437707.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 83159390 is about 9119.1770462032. The cubic root of 83159390 is about 436.4861136763.

The spelling of 83159390 in words is "eighty-three million, one hundred fifty-nine thousand, three hundred ninety".