706876807 has 18 divisors (see below), whose sum is σ = 875915592. Its totient is φ = 558563616.

The previous prime is 706876783. The next prime is 706876829. The reversal of 706876807 is 708678607.

It is a de Polignac number, because none of the positive numbers 2^k-706876807 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706879807) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 914073 + ... + 914845.

Almost surely, 2^706876807 is an apocalyptic number.

706876807 is a deficient number, since it is larger than the sum of its proper divisors (169038785).

706876807 is an frugal number, since it uses more digits than its factorization.

706876807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 706876807 is about 26587.1549248881. The cubic root of 706876807 is about 890.8021245616.

Multiplying 706876807 by its product of nonzero digits (790272), we get a square (558624948021504 = 23635248²).

The spelling of 706876807 in words is "seven hundred six million, eight hundred seventy-six thousand, eight hundred seven".