842951115 has 12 divisors (see below), whose sum is σ = 1461115344. Its totient is φ = 449573904.

The previous prime is 842951099. The next prime is 842951117. The reversal of 842951115 is 511159248.

It is not a de Polignac number, because 842951115 - 2⁴ = 842951099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 842951115.

It is not an unprimeable number, because it can be changed into a prime (842951117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9366079 + ... + 9366168.

It is an arithmetic number, because the mean of its divisors is an integer number (121759612).

Almost surely, 2^842951115 is an apocalyptic number.

842951115 is a deficient number, since it is larger than the sum of its proper divisors (618164229).

842951115 is a wasteful number, since it uses less digits than its factorization.

842951115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18732258 (or 18732255 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 842951115 is about 29033.6204252932. The cubic root of 842951115 is about 944.6424615350.

The spelling of 842951115 in words is "eight hundred forty-two million, nine hundred fifty-one thousand, one hundred fifteen".