8940957870 has 128 divisors (see below), whose sum is σ = 24983400960. Its totient is φ = 2028602880.

The previous prime is 8940957859. The next prime is 8940957871. The reversal of 8940957870 is 787590498.

It is a super-2 number, since 2×8940957870² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 8940957870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8940957871) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 257865 + ... + 290475.

It is an arithmetic number, because the mean of its divisors is an integer number (195182820).

Almost surely, 2^8940957870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8940957870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12491700480).

8940957870 is an abundant number, since it is smaller than the sum of its proper divisors (16042443090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8940957870 is a wasteful number, since it uses less digits than its factorization.

8940957870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32690.

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

The square root of 8940957870 is about 94556.6384237511. The cubic root of 8940957870 is about 2075.5252259244.

The spelling of 8940957870 in words is "eight billion, nine hundred forty million, nine hundred fifty-seven thousand, eight hundred seventy".