706938138977 has 4 divisors (see below), whose sum is σ = 807929301696. Its totient is φ = 605946976260.

The previous prime is 706938138917. The next prime is 706938138989. The reversal of 706938138977 is 779831839607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 779831839607 = 325181 ⋅2398147.

It is a cyclic number.

It is not a de Polignac number, because 706938138977 - 2¹⁴ = 706938122593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706938138917) 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 in 3 ways as a sum of consecutive naturals, for example, 50495581349 + ... + 50495581362.

It is an arithmetic number, because the mean of its divisors is an integer number (201982325424).

Almost surely, 2^706938138977 is an apocalyptic number.

It is an amenable number.

706938138977 is a deficient number, since it is larger than the sum of its proper divisors (100991162719).

706938138977 is a wasteful number, since it uses less digits than its factorization.

706938138977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100991162718.

The product of its (nonzero) digits is 96018048, while the sum is 68.

The spelling of 706938138977 in words is "seven hundred six billion, nine hundred thirty-eight million, one hundred thirty-eight thousand, nine hundred seventy-seven".