862685447054 has 4 divisors (see below), whose sum is σ = 1294028170584. Its totient is φ = 431342723526.

The previous prime is 862685447027. The next prime is 862685447059. The reversal of 862685447054 is 450744586268.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 862685446984 and 862685447002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (862685447059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215671361762 + ... + 215671361765.

It is an arithmetic number, because the mean of its divisors is an integer number (323507042646).

Almost surely, 2^862685447054 is an apocalyptic number.

862685447054 is a deficient number, since it is larger than the sum of its proper divisors (431342723530).

862685447054 is a wasteful number, since it uses less digits than its factorization.

862685447054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431342723529.

The product of its (nonzero) digits is 51609600, while the sum is 59.

The spelling of 862685447054 in words is "eight hundred sixty-two billion, six hundred eighty-five million, four hundred forty-seven thousand, fifty-four".