8077285770 has 64 divisors (see below), whose sum is σ = 20010291840. Its totient is φ = 2085324800.

The previous prime is 8077285747. The next prime is 8077285771. The reversal of 8077285770 is 775827708.

It is not an unprimeable number, because it can be changed into a prime (8077285771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136066 + ... + 186194.

It is an arithmetic number, because the mean of its divisors is an integer number (312660810).

Almost surely, 2^8077285770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8077285770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10005145920).

8077285770 is an abundant number, since it is smaller than the sum of its proper divisors (11933006070).

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

8077285770 is a wasteful number, since it uses less digits than its factorization.

8077285770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50311.

The product of its (nonzero) digits is 1536640, while the sum is 51.

The square root of 8077285770 is about 89873.7212426413. The cubic root of 8077285770 is about 2006.4198515372.

The spelling of 8077285770 in words is "eight billion, seventy-seven million, two hundred eighty-five thousand, seven hundred seventy".