2870000066 has 4 divisors (see below), whose sum is σ = 4305000102. Its totient is φ = 1435000032.

The previous prime is 2870000039. The next prime is 2870000087. The reversal of 2870000066 is 6600000782.

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., 2569983025 + 300017041 = 50695^2 + 17321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2869999993 and 2870000038.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717500015 + ... + 717500018.

Almost surely, 2^2870000066 is an apocalyptic number.

2870000066 is a deficient number, since it is larger than the sum of its proper divisors (1435000036).

2870000066 is a wasteful number, since it uses less digits than its factorization.

2870000066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435000035.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2870000066 is about 53572.3815599045. The cubic root of 2870000066 is about 1421.1087132271.

The spelling of 2870000066 in words is "two billion, eight hundred seventy million, sixty-six", and thus it is an aban number.