6880734578 has 4 divisors (see below), whose sum is σ = 10321101870. Its totient is φ = 3440367288.

The previous prime is 6880734559. The next prime is 6880734587. The reversal of 6880734578 is 8754370886.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 3951002449 + 2929732129 = 62857^2 + 54127^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720183643 + ... + 1720183646.

Almost surely, 2^6880734578 is an apocalyptic number.

6880734578 is a deficient number, since it is larger than the sum of its proper divisors (3440367292).

6880734578 is a wasteful number, since it uses less digits than its factorization.

6880734578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440367291.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The square root of 6880734578 is about 82950.1933572189. The cubic root of 6880734578 is about 1902.0047701803.

The spelling of 6880734578 in words is "six billion, eight hundred eighty million, seven hundred thirty-four thousand, five hundred seventy-eight".