842615912 has 8 divisors (see below), whose sum is σ = 1579904850. Its totient is φ = 421307952.

The previous prime is 842615903. The next prime is 842615927. The reversal of 842615912 is 219516248.

It can be written as a sum of positive squares in only one way, i.e., 841348036 + 1267876 = 29006^2 + 1126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52663487 + ... + 52663502.

Almost surely, 2^842615912 is an apocalyptic number.

It is an amenable number.

842615912 is a deficient number, since it is larger than the sum of its proper divisors (737288938).

842615912 is a wasteful number, since it uses less digits than its factorization.

842615912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105326995 (or 105326991 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 842615912 is about 29027.8471816289. The cubic root of 842615912 is about 944.5172312725.

The spelling of 842615912 in words is "eight hundred forty-two million, six hundred fifteen thousand, nine hundred twelve".