8870978609 has 8 divisors (see below), whose sum is σ = 9391851840. Its totient is φ = 8355503376.

The previous prime is 8870978591. The next prime is 8870978659. The reversal of 8870978609 is 9068790788.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8870978609 - 2³² = 4576011313 is a prime.

It is a super-2 number, since 2×8870978609² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8870978659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346117 + ... + 1352690.

It is an arithmetic number, because the mean of its divisors is an integer number (1173981480).

Almost surely, 2^8870978609 is an apocalyptic number.

It is an amenable number.

8870978609 is a deficient number, since it is larger than the sum of its proper divisors (520873231).

8870978609 is a wasteful number, since it uses less digits than its factorization.

8870978609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698999.

The product of its (nonzero) digits is 12192768, while the sum is 62.

The square root of 8870978609 is about 94185.8726614560. The cubic root of 8870978609 is about 2070.0961167222.

The spelling of 8870978609 in words is "eight billion, eight hundred seventy million, nine hundred seventy-eight thousand, six hundred nine".