7765120488 has 64 divisors (see below), whose sum is σ = 20560089600. Its totient is φ = 2437076160.

The previous prime is 7765120453. The next prime is 7765120501. The reversal of 7765120488 is 8840215677.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22093 + ... + 126563.

It is an arithmetic number, because the mean of its divisors is an integer number (321251400).

Almost surely, 2^7765120488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7765120488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10280044800).

7765120488 is an abundant number, since it is smaller than the sum of its proper divisors (12794969112).

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

7765120488 is a wasteful number, since it uses less digits than its factorization.

7765120488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104662 (or 104658 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The square root of 7765120488 is about 88119.9210621526. The cubic root of 7765120488 is about 1980.2319634369.

The spelling of 7765120488 in words is "seven billion, seven hundred sixty-five million, one hundred twenty thousand, four hundred eighty-eight".