2870688428 has 12 divisors (see below), whose sum is σ = 5140535400. Its totient is φ = 1401964032.

The previous prime is 2870688421. The next prime is 2870688439. The reversal of 2870688428 is 8248860782.

It is a happy number.

It is a super-2 number, since 2×2870688428² = 16481704101306222368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2870688428.

It is not an unprimeable number, because it can be changed into a prime (2870688421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8344853 + ... + 8345196.

It is an arithmetic number, because the mean of its divisors is an integer number (428377950).

Almost surely, 2^2870688428 is an apocalyptic number.

It is an amenable number.

2870688428 is a deficient number, since it is larger than the sum of its proper divisors (2269846972).

2870688428 is a wasteful number, since it uses less digits than its factorization.

2870688428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16690096 (or 16690094 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 53.

The square root of 2870688428 is about 53578.8057724321. The cubic root of 2870688428 is about 1421.2223205459. Note that the first 3 decimals are identical.

The spelling of 2870688428 in words is "two billion, eight hundred seventy million, six hundred eighty-eight thousand, four hundred twenty-eight".