861995481476 has 24 divisors (see below), whose sum is σ = 1612470875904. Its totient is φ = 402203616320.

The previous prime is 861995481419. The next prime is 861995481491. The reversal of 861995481476 is 674184599168.

861995481476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114258620 + ... + 114266163.

It is an arithmetic number, because the mean of its divisors is an integer number (67186286496).

Almost surely, 2^861995481476 is an apocalyptic number.

It is an amenable number.

861995481476 is a deficient number, since it is larger than the sum of its proper divisors (750475394428).

861995481476 is a wasteful number, since it uses less digits than its factorization.

861995481476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228524851 (or 228524849 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 68.

The spelling of 861995481476 in words is "eight hundred sixty-one billion, nine hundred ninety-five million, four hundred eighty-one thousand, four hundred seventy-six".