6788712487 has 4 divisors (see below), whose sum is σ = 6789224296. Its totient is φ = 6788200680.

The previous prime is 6788712481. The next prime is 6788712503. The reversal of 6788712487 is 7842178876.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6788712487 - 2¹⁵ = 6788679719 is a prime.

It is a super-2 number, since 2×6788712487² = 92173234462299450338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6788712481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235464 + ... + 262717.

It is an arithmetic number, because the mean of its divisors is an integer number (1697306074).

Almost surely, 2^6788712487 is an apocalyptic number.

6788712487 is a deficient number, since it is larger than the sum of its proper divisors (511809).

6788712487 is a wasteful number, since it uses less digits than its factorization.

6788712487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511808.

The product of its digits is 8429568, while the sum is 58.

The square root of 6788712487 is about 82393.6434866186. The cubic root of 6788712487 is about 1893.4876288664.

The spelling of 6788712487 in words is "six billion, seven hundred eighty-eight million, seven hundred twelve thousand, four hundred eighty-seven".