83920115 has 8 divisors (see below), whose sum is σ = 100835280. Its totient is φ = 67048672.

The previous prime is 83920099. The next prime is 83920121. The reversal of 83920115 is 51102938.

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

It is a cyclic number.

It is not a de Polignac number, because 83920115 - 2⁴ = 83920099 is a prime.

It is a super-2 number, since 2×83920115² = 14085171403226450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6545 + ... + 14514.

It is an arithmetic number, because the mean of its divisors is an integer number (12604410).

Almost surely, 2^83920115 is an apocalyptic number.

83920115 is a deficient number, since it is larger than the sum of its proper divisors (16915165).

83920115 is a wasteful number, since it uses less digits than its factorization.

83920115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21861.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 83920115 is about 9160.7922692309. The cubic root of 83920115 is about 437.8130374604.

The spelling of 83920115 in words is "eighty-three million, nine hundred twenty thousand, one hundred fifteen".