83885115 has 16 divisors (see below), whose sum is σ = 135602208. Its totient is φ = 44276736.

The previous prime is 83885093. The next prime is 83885119. The reversal of 83885115 is 51158838.

It is not a de Polignac number, because 83885115 - 2⁶ = 83885051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83885119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27372 + ... + 30281.

It is an arithmetic number, because the mean of its divisors is an integer number (8475138).

Almost surely, 2^83885115 is an apocalyptic number.

83885115 is a deficient number, since it is larger than the sum of its proper divisors (51717093).

83885115 is a wasteful number, since it uses less digits than its factorization.

83885115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57758.

The product of its digits is 38400, while the sum is 39.

The square root of 83885115 is about 9158.8817548869. The cubic root of 83885115 is about 437.7521637470.

The spelling of 83885115 in words is "eighty-three million, eight hundred eighty-five thousand, one hundred fifteen".