706438851 has 4 divisors (see below), whose sum is σ = 941918472. Its totient is φ = 470959232.

The previous prime is 706438847. The next prime is 706438861. The reversal of 706438851 is 158834607.

706438851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 706438851 - 2² = 706438847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (706438841) 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, 117739806 + ... + 117739811.

It is an arithmetic number, because the mean of its divisors is an integer number (235479618).

Almost surely, 2^706438851 is an apocalyptic number.

706438851 is a deficient number, since it is larger than the sum of its proper divisors (235479621).

706438851 is a wasteful number, since it uses less digits than its factorization.

706438851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235479620.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 706438851 is about 26578.9174158768. The cubic root of 706438851 is about 890.6181166695.

The spelling of 706438851 in words is "seven hundred six million, four hundred thirty-eight thousand, eight hundred fifty-one".