8791791450 has 48 divisors (see below), whose sum is σ = 23480851296. Its totient is φ = 2164132800.

The previous prime is 8791791439. The next prime is 8791791457. The reversal of 8791791450 is 541971978.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8791791393 and 8791791402.

It is not an unprimeable number, because it can be changed into a prime (8791791457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2252356 + ... + 2256255.

It is an arithmetic number, because the mean of its divisors is an integer number (489184402).

Almost surely, 2^8791791450 is an apocalyptic number.

8791791450 is an abundant number, since it is smaller than the sum of its proper divisors (14689059846).

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

8791791450 is a wasteful number, since it uses less digits than its factorization.

8791791450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508639 (or 4508634 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 51.

The square root of 8791791450 is about 93764.5532704124. The cubic root of 8791791450 is about 2063.9180976567.

The spelling of 8791791450 in words is "eight billion, seven hundred ninety-one million, seven hundred ninety-one thousand, four hundred fifty".