6880928990 has 16 divisors (see below), whose sum is σ = 13338416448. Its totient is φ = 2540650656.

The previous prime is 6880928969. The next prime is 6880929031. The reversal of 6880928990 is 998290886.

It is a congruent number.

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, 26464982 + ... + 26465241.

It is an arithmetic number, because the mean of its divisors is an integer number (833651028).

Almost surely, 2^6880928990 is an apocalyptic number.

6880928990 is a deficient number, since it is larger than the sum of its proper divisors (6457487458).

6880928990 is a wasteful number, since it uses less digits than its factorization.

6880928990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52930243.

The product of its (nonzero) digits is 4478976, while the sum is 59.

The square root of 6880928990 is about 82951.3652087776. The cubic root of 6880928990 is about 1902.0226834358.

The spelling of 6880928990 in words is "six billion, eight hundred eighty million, nine hundred twenty-eight thousand, nine hundred ninety".