6687020903 has 8 divisors (see below), whose sum is σ = 6782810400. Its totient is φ = 6591276160.

The previous prime is 6687020887. The next prime is 6687020909. The reversal of 6687020903 is 3090207866.

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 6687020903 - 2⁴ = 6687020887 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 (6687020909) 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, 393323 + ... + 409971.

It is an arithmetic number, because the mean of its divisors is an integer number (847851300).

Almost surely, 2^6687020903 is an apocalyptic number.

6687020903 is a deficient number, since it is larger than the sum of its proper divisors (95789497).

6687020903 is a wasteful number, since it uses less digits than its factorization.

6687020903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22377.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 6687020903 is about 81774.2068319834. The cubic root of 6687020903 is about 1883.9855187025.

The spelling of 6687020903 in words is "six billion, six hundred eighty-seven million, twenty thousand, nine hundred three".