7687541345 has 8 divisors (see below), whose sum is σ = 10063690560. Its totient is φ = 5590939120.

The previous prime is 7687541327. The next prime is 7687541347. The reversal of 7687541345 is 5431457867.

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

It is not a de Polignac number, because 7687541345 - 2²⁶ = 7620432481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7687541293 and 7687541302.

It is not an unprimeable number, because it can be changed into a prime (7687541347) 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, 69886685 + ... + 69886794.

It is an arithmetic number, because the mean of its divisors is an integer number (1257961320).

Almost surely, 2^7687541345 is an apocalyptic number.

It is an amenable number.

7687541345 is a deficient number, since it is larger than the sum of its proper divisors (2376149215).

7687541345 is a wasteful number, since it uses less digits than its factorization.

7687541345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139773495.

The product of its digits is 2822400, while the sum is 50.

The square root of 7687541345 is about 87678.6253598903. The cubic root of 7687541345 is about 1973.6152314026.

The spelling of 7687541345 in words is "seven billion, six hundred eighty-seven million, five hundred forty-one thousand, three hundred forty-five".