707985489 has 4 divisors (see below), whose sum is σ = 943980656. Its totient is φ = 471990324.

The previous prime is 707985469. The next prime is 707985493. The reversal of 707985489 is 984589707.

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: 984589707 = 3 ⋅328196569.

It is not a de Polignac number, because 707985489 - 2⁷ = 707985361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (707985419) 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, 117997579 + ... + 117997584.

It is an arithmetic number, because the mean of its divisors is an integer number (235995164).

Almost surely, 2^707985489 is an apocalyptic number.

It is an amenable number.

707985489 is a deficient number, since it is larger than the sum of its proper divisors (235995167).

707985489 is a wasteful number, since it uses less digits than its factorization.

707985489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235995166.

The product of its (nonzero) digits is 5080320, while the sum is 57.

The square root of 707985489 is about 26607.9967115151. The cubic root of 707985489 is about 891.2675995389.

The spelling of 707985489 in words is "seven hundred seven million, nine hundred eighty-five thousand, four hundred eighty-nine".