708028665 has 32 divisors (see below), whose sum is σ = 1251645696. Its totient is φ = 339947520.

The previous prime is 708028661. The next prime is 708028681. The reversal of 708028665 is 566820807.

It is not a de Polignac number, because 708028665 - 2² = 708028661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (708028661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54496 + ... + 66225.

It is an arithmetic number, because the mean of its divisors is an integer number (39113928).

Almost surely, 2^708028665 is an apocalyptic number.

It is an amenable number.

708028665 is a deficient number, since it is larger than the sum of its proper divisors (543617031).

708028665 is a wasteful number, since it uses less digits than its factorization.

708028665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120769.

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

The square root of 708028665 is about 26608.8080341830. The cubic root of 708028665 is about 891.2857169477.

The spelling of 708028665 in words is "seven hundred eight million, twenty-eight thousand, six hundred sixty-five".