2866628890 has 8 divisors (see below), whose sum is σ = 5159932020. Its totient is φ = 1146651552.

The previous prime is 2866628881. The next prime is 2866628911. The reversal of 2866628890 is 988266682.

2866628890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2361862801 + 504766089 = 48599^2 + 22467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2866628890² = 16435122385965264200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143331435 + ... + 143331454.

Almost surely, 2^2866628890 is an apocalyptic number.

2866628890 is a deficient number, since it is larger than the sum of its proper divisors (2293303130).

2866628890 is a wasteful number, since it uses less digits than its factorization.

2866628890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286662896.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The square root of 2866628890 is about 53540.9085653204. The cubic root of 2866628890 is about 1420.5520715890.

The spelling of 2866628890 in words is "two billion, eight hundred sixty-six million, six hundred twenty-eight thousand, eight hundred ninety".