83906870 has 8 divisors (see below), whose sum is σ = 151032384. Its totient is φ = 33562744.

The previous prime is 83906839. The next prime is 83906959. The reversal of 83906870 is 7860938.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4195334 + ... + 4195353.

It is an arithmetic number, because the mean of its divisors is an integer number (18879048).

Almost surely, 2^83906870 is an apocalyptic number.

83906870 is a deficient number, since it is larger than the sum of its proper divisors (67125514).

83906870 is a wasteful number, since it uses less digits than its factorization.

83906870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8390694.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 83906870 is about 9160.0693228818. The cubic root of 83906870 is about 437.7900030990.

The spelling of 83906870 in words is "eighty-three million, nine hundred six thousand, eight hundred seventy".