861454712 has 16 divisors (see below), whose sum is σ = 1615917840. Its totient is φ = 430543296.

The previous prime is 861454703. The next prime is 861454717. The reversal of 861454712 is 217454168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861454717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988 + ... + 41555.

It is an arithmetic number, because the mean of its divisors is an integer number (100994865).

Almost surely, 2^861454712 is an apocalyptic number.

It is an amenable number.

861454712 is a deficient number, since it is larger than the sum of its proper divisors (754463128).

861454712 is a wasteful number, since it uses less digits than its factorization.

861454712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46022 (or 46018 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 861454712 is about 29350.5487512585. The cubic root of 861454712 is about 951.5044351315.

The spelling of 861454712 in words is "eight hundred sixty-one million, four hundred fifty-four thousand, seven hundred twelve".