6880978 has 16 divisors (see below), whose sum is σ = 11160576. Its totient is φ = 3162960.

The previous prime is 6880963. The next prime is 6880997. The reversal of 6880978 is 8790886.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9613 + ... + 10303.

It is an arithmetic number, because the mean of its divisors is an integer number (697536).

Almost surely, 2^6880978 is an apocalyptic number.

6880978 is a deficient number, since it is larger than the sum of its proper divisors (4279598).

6880978 is a wasteful number, since it uses less digits than its factorization.

6880978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 6880978 is about 2623.1618325982. The cubic root of 6880978 is about 190.2027199198.

The spelling of 6880978 in words is "six million, eight hundred eighty thousand, nine hundred seventy-eight".