861034473356 has 12 divisors (see below), whose sum is σ = 1595446230168. Its totient is φ = 405192693312.

The previous prime is 861034473323. The next prime is 861034473437. The reversal of 861034473356 is 653374430168.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6331135766 + ... + 6331135901.

It is an arithmetic number, because the mean of its divisors is an integer number (132953852514).

Almost surely, 2^861034473356 is an apocalyptic number.

It is an amenable number.

861034473356 is a deficient number, since it is larger than the sum of its proper divisors (734411756812).

861034473356 is a wasteful number, since it uses less digits than its factorization.

861034473356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12662271688 (or 12662271686 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 861034473356 in words is "eight hundred sixty-one billion, thirty-four million, four hundred seventy-three thousand, three hundred fifty-six".