2666880804 has 24 divisors (see below), whose sum is σ = 7111682368. Its totient is φ = 761965920.

The previous prime is 2666880787. The next prime is 2666880823. The reversal of 2666880804 is 4080886662.

It is a happy number.

It is a super-2 number, since 2×2666880804² = 14224506445487372832, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 15874207 + ... + 15874374.

Almost surely, 2^2666880804 is an apocalyptic number.

It is an amenable number.

2666880804 is an abundant number, since it is smaller than the sum of its proper divisors (4444801564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2666880804 is a wasteful number, since it uses less digits than its factorization.

2666880804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31748595 (or 31748593 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 2666880804 is about 51641.8512836246. The cubic root of 2666880804 is about 1386.7596663413.

The spelling of 2666880804 in words is "two billion, six hundred sixty-six million, eight hundred eighty thousand, eight hundred four".