840893360936 has 8 divisors (see below), whose sum is σ = 1576675051770. Its totient is φ = 420446680464.

The previous prime is 840893360863. The next prime is 840893360981. The reversal of 840893360936 is 639063398048.

It can be written as a sum of positive squares in only one way, i.e., 702233944036 + 138659416900 = 837994^2 + 372370^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52555835051 + ... + 52555835066.

Almost surely, 2^840893360936 is an apocalyptic number.

It is an amenable number.

840893360936 is a deficient number, since it is larger than the sum of its proper divisors (735781690834).

840893360936 is a wasteful number, since it uses less digits than its factorization.

840893360936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105111670123 (or 105111670119 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 59.

The spelling of 840893360936 in words is "eight hundred forty billion, eight hundred ninety-three million, three hundred sixty thousand, nine hundred thirty-six".