708011993 has 4 divisors (see below), whose sum is σ = 762474468. Its totient is φ = 653549520.

The previous prime is 708011989. The next prime is 708012037. The reversal of 708011993 is 399110807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 399110807 = 1987 ⋅200861.

It can be written as a sum of positive squares in 2 ways, for example, as 139523344 + 568488649 = 11812^2 + 23843^2 .

It is not a de Polignac number, because 708011993 - 2² = 708011989 is a prime.

It is a super-5 number, since 5×708011993⁵ (a number of 45 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (708011923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27231218 + ... + 27231243.

It is an arithmetic number, because the mean of its divisors is an integer number (190618617).

Almost surely, 2^708011993 is an apocalyptic number.

It is an amenable number.

708011993 is a deficient number, since it is larger than the sum of its proper divisors (54462475).

708011993 is a wasteful number, since it uses less digits than its factorization.

708011993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54462474.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 708011993 is about 26608.4947526161. The cubic root of 708011993 is about 891.2787211706.

The spelling of 708011993 in words is "seven hundred eight million, eleven thousand, nine hundred ninety-three".