8740874389 has 4 divisors (see below), whose sum is σ = 9413249356. Its totient is φ = 8068499424.

The previous prime is 8740874383. The next prime is 8740874393. The reversal of 8740874389 is 9834780478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9834780478 = 2 ⋅4917390239.

It can be written as a sum of positive squares in 2 ways, for example, as 3409392100 + 5331482289 = 58390^2 + 73017^2 .

It is a cyclic number.

It is not a de Polignac number, because 8740874389 - 2⁵ = 8740874357 is a prime.

It is a super-2 number, since 2×8740874389² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8740874383) 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, 336187464 + ... + 336187489.

It is an arithmetic number, because the mean of its divisors is an integer number (2353312339).

Almost surely, 2^8740874389 is an apocalyptic number.

It is an amenable number.

8740874389 is a deficient number, since it is larger than the sum of its proper divisors (672374967).

8740874389 is a wasteful number, since it uses less digits than its factorization.

8740874389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672374966.

The product of its (nonzero) digits is 10838016, while the sum is 58.

The square root of 8740874389 is about 93492.6435020424. The cubic root of 8740874389 is about 2059.9260341212.

The spelling of 8740874389 in words is "eight billion, seven hundred forty million, eight hundred seventy-four thousand, three hundred eighty-nine".