712643855 has 16 divisors (see below), whose sum is σ = 1066189824. Its totient is φ = 444245280.

The previous prime is 712643839. The next prime is 712643909. The reversal of 712643855 is 558346217.

712643855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 712643855 - 2⁴ = 712643839 is a prime.

It is a super-2 number, since 2×712643855² = 1015722528138522050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925127 + ... + 925896.

It is an arithmetic number, because the mean of its divisors is an integer number (66636864).

Almost surely, 2^712643855 is an apocalyptic number.

712643855 is a deficient number, since it is larger than the sum of its proper divisors (353545969).

712643855 is a wasteful number, since it uses less digits than its factorization.

712643855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851046.

The product of its digits is 201600, while the sum is 41.

The square root of 712643855 is about 26695.3901451168. The cubic root of 712643855 is about 893.2180998643.

The spelling of 712643855 in words is "seven hundred twelve million, six hundred forty-three thousand, eight hundred fifty-five".