7668912487 has 8 divisors (see below), whose sum is σ = 8077444400. Its totient is φ = 7260871104.

The previous prime is 7668912473. The next prime is 7668912491. The reversal of 7668912487 is 7842198667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7668912487 - 2⁷ = 7668912359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668912457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90312 + ... + 153277.

It is an arithmetic number, because the mean of its divisors is an integer number (1009680550).

Almost surely, 2^7668912487 is an apocalyptic number.

7668912487 is a deficient number, since it is larger than the sum of its proper divisors (408531913).

7668912487 is a wasteful number, since it uses less digits than its factorization.

7668912487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245265.

The product of its digits is 8128512, while the sum is 58.

The square root of 7668912487 is about 87572.3271758836. The cubic root of 7668912487 is about 1972.0197522492.

The spelling of 7668912487 in words is "seven billion, six hundred sixty-eight million, nine hundred twelve thousand, four hundred eighty-seven".