701871889 has 6 divisors (see below), whose sum is σ = 709854710. Its totient is φ = 693977856.

The previous prime is 701871881. The next prime is 701871941. The reversal of 701871889 is 988178107.

It can be written as a sum of positive squares in 3 ways, for example, as 99660289 + 602211600 = 9983^2 + 24540^2 .

It is not a de Polignac number, because 701871889 - 2³ = 701871881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (701871881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36384 + ... + 52225.

Almost surely, 2^701871889 is an apocalyptic number.

It is an amenable number.

701871889 is a deficient number, since it is larger than the sum of its proper divisors (7982821).

701871889 is an frugal number, since it uses more digits than its factorization.

701871889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88787 (or 88698 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 49.

The square root of 701871889 is about 26492.8648696210. The cubic root of 701871889 is about 888.6947533679.

The spelling of 701871889 in words is "seven hundred one million, eight hundred seventy-one thousand, eight hundred eighty-nine".