7797862770 has 128 divisors (see below), whose sum is σ = 21021327360. Its totient is φ = 1839651840.

The previous prime is 7797862727. The next prime is 7797862771. The reversal of 7797862770 is 772687977.

It is not an unprimeable number, because it can be changed into a prime (7797862771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1266319 + ... + 1272461.

It is an arithmetic number, because the mean of its divisors is an integer number (164229120).

Almost surely, 2^7797862770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7797862770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10510663680).

7797862770 is an abundant number, since it is smaller than the sum of its proper divisors (13223464590).

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

7797862770 is a wasteful number, since it uses less digits than its factorization.

7797862770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6320.

The product of its (nonzero) digits is 14521248, while the sum is 60.

The square root of 7797862770 is about 88305.5081520966. The cubic root of 7797862770 is about 1983.0113320118.

The spelling of 7797862770 in words is "seven billion, seven hundred ninety-seven million, eight hundred sixty-two thousand, seven hundred seventy".