7687765216 has 12 divisors (see below), whose sum is σ = 15135287832. Its totient is φ = 3843882592.

The previous prime is 7687765201. The next prime is 7687765219. The reversal of 7687765216 is 6125677867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7687765219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120121300 + ... + 120121363.

It is an arithmetic number, because the mean of its divisors is an integer number (1261273986).

Almost surely, 2^7687765216 is an apocalyptic number.

It is an amenable number.

7687765216 is a deficient number, since it is larger than the sum of its proper divisors (7447522616).

7687765216 is a wasteful number, since it uses less digits than its factorization.

7687765216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240242673 (or 240242665 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 55.

The square root of 7687765216 is about 87679.9020072445. The cubic root of 7687765216 is about 1973.6343892802.

The spelling of 7687765216 in words is "seven billion, six hundred eighty-seven million, seven hundred sixty-five thousand, two hundred sixteen".