7676388540 has 72 divisors (see below), whose sum is σ = 23339058288. Its totient is φ = 2042288640.

The previous prime is 7676388527. The next prime is 7676388571. The reversal of 7676388540 is 458836767.

7676388540 is a `hidden beast` number, since 7 + 67 + 6 + 38 + 8 + 540 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28695 + ... + 127185.

Almost surely, 2^7676388540 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 7676388540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11669529144).

7676388540 is an abundant number, since it is smaller than the sum of its proper divisors (15662669748).

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

7676388540 is a wasteful number, since it uses less digits than its factorization.

7676388540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98939 (or 98934 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The square root of 7676388540 is about 87615.0017976374. The cubic root of 7676388540 is about 1972.6603531202.

The spelling of 7676388540 in words is "seven billion, six hundred seventy-six million, three hundred eighty-eight thousand, five hundred forty".