6787485515 has 4 divisors (see below), whose sum is σ = 8144982624. Its totient is φ = 5429988408.

The previous prime is 6787485503. The next prime is 6787485547. The reversal of 6787485515 is 5155847876.

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 6787485515 - 2⁴ = 6787485499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678748547 + ... + 678748556.

It is an arithmetic number, because the mean of its divisors is an integer number (2036245656).

Almost surely, 2^6787485515 is an apocalyptic number.

6787485515 is a deficient number, since it is larger than the sum of its proper divisors (1357497109).

6787485515 is a wasteful number, since it uses less digits than its factorization.

6787485515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357497108.

The product of its digits is 9408000, while the sum is 56.

The square root of 6787485515 is about 82386.1973573244. The cubic root of 6787485515 is about 1893.3735475248.

The spelling of 6787485515 in words is "six billion, seven hundred eighty-seven million, four hundred eighty-five thousand, five hundred fifteen".