6787061278 has 4 divisors (see below), whose sum is σ = 10180591920. Its totient is φ = 3393530638.

The previous prime is 6787061261. The next prime is 6787061299. The reversal of 6787061278 is 8721607876.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1696765318 + ... + 1696765321.

It is an arithmetic number, because the mean of its divisors is an integer number (2545147980).

Almost surely, 2^6787061278 is an apocalyptic number.

6787061278 is a deficient number, since it is larger than the sum of its proper divisors (3393530642).

6787061278 is a wasteful number, since it uses less digits than its factorization.

6787061278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393530641.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The square root of 6787061278 is about 82383.6226321713. The cubic root of 6787061278 is about 1893.3340996396.

The spelling of 6787061278 in words is "six billion, seven hundred eighty-seven million, sixty-one thousand, two hundred seventy-eight".