8757780340 has 24 divisors (see below), whose sum is σ = 18397118880. Its totient is φ = 3502011168.

The previous prime is 8757780307. The next prime is 8757780347. The reversal of 8757780340 is 430877578.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8757780347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002 + ... + 132361.

It is an arithmetic number, because the mean of its divisors is an integer number (766546620).

Almost surely, 2^8757780340 is an apocalyptic number.

It is an amenable number.

8757780340 is an abundant number, since it is smaller than the sum of its proper divisors (9639338540).

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

8757780340 is a wasteful number, since it uses less digits than its factorization.

8757780340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137631 (or 137629 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 49.

The square root of 8757780340 is about 93583.0130953262. The cubic root of 8757780340 is about 2061.2532308889.

The spelling of 8757780340 in words is "eight billion, seven hundred fifty-seven million, seven hundred eighty thousand, three hundred forty".