708821320641 has 8 divisors (see below), whose sum is σ = 1080108679104. Its totient is φ = 405040754640.

The previous prime is 708821320619. The next prime is 708821320663. The reversal of 708821320641 is 146023128807.

It is an interprime number because it is at equal distance from previous prime (708821320619) and next prime (708821320663).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 708821320641 - 2¹⁸ = 708821058497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 708821320593 and 708821320602.

It is not an unprimeable number, because it can be changed into a prime (708821322641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16876698090 + ... + 16876698131.

It is an arithmetic number, because the mean of its divisors is an integer number (135013584888).

Almost surely, 2^708821320641 is an apocalyptic number.

It is an amenable number.

708821320641 is a deficient number, since it is larger than the sum of its proper divisors (371287358463).

708821320641 is a wasteful number, since it uses less digits than its factorization.

708821320641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33753396231.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 708821320641 in words is "seven hundred eight billion, eight hundred twenty-one million, three hundred twenty thousand, six hundred forty-one".