6787801545 has 16 divisors (see below), whose sum is σ = 12411980160. Its totient is φ = 3102994944.

The previous prime is 6787801529. The next prime is 6787801577. The reversal of 6787801545 is 5451087876.

It is a happy number.

It is not a de Polignac number, because 6787801545 - 2⁴ = 6787801529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32322760 + ... + 32322969.

It is an arithmetic number, because the mean of its divisors is an integer number (775748760).

Almost surely, 2^6787801545 is an apocalyptic number.

It is an amenable number.

6787801545 is a deficient number, since it is larger than the sum of its proper divisors (5624178615).

6787801545 is a wasteful number, since it uses less digits than its factorization.

6787801545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64645744.

The product of its (nonzero) digits is 1881600, while the sum is 51.

The square root of 6787801545 is about 82388.1153140427. The cubic root of 6787801545 is about 1893.4029326609.

The spelling of 6787801545 in words is "six billion, seven hundred eighty-seven million, eight hundred one thousand, five hundred forty-five".