8247777630 has 128 divisors (see below), whose sum is σ = 21241543680. Its totient is φ = 2042357760.

The previous prime is 8247777617. The next prime is 8247777641. The reversal of 8247777630 is 367777428.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15245160 + ... + 15245700.

It is an arithmetic number, because the mean of its divisors is an integer number (165949560).

Almost surely, 2^8247777630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8247777630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10620771840).

8247777630 is an abundant number, since it is smaller than the sum of its proper divisors (12993766050).

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

8247777630 is a wasteful number, since it uses less digits than its factorization.

8247777630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914.

The product of its (nonzero) digits is 2765952, while the sum is 51.

The square root of 8247777630 is about 90817.2760547243. The cubic root of 8247777630 is about 2020.4385570354.

The spelling of 8247777630 in words is "eight billion, two hundred forty-seven million, seven hundred seventy-seven thousand, six hundred thirty".