708766243121 has 4 divisors (see below), whose sum is σ = 708768054372. Its totient is φ = 708764431872.

The previous prime is 708766243111. The next prime is 708766243127. The reversal of 708766243121 is 121342667807.

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

It can be written as a sum of positive squares in 2 ways, for example, as 353596729600 + 355169513521 = 594640^2 + 595961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-708766243121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (708766243127) 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, 47816 + ... + 1191561.

It is an arithmetic number, because the mean of its divisors is an integer number (177192013593).

Almost surely, 2^708766243121 is an apocalyptic number.

It is an amenable number.

708766243121 is a deficient number, since it is larger than the sum of its proper divisors (1811251).

708766243121 is a wasteful number, since it uses less digits than its factorization.

708766243121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811250.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 708766243121 in words is "seven hundred eight billion, seven hundred sixty-six million, two hundred forty-three thousand, one hundred twenty-one".