2788390712 has 32 divisors (see below), whose sum is σ = 5329044000. Its totient is φ = 1367568384.

The previous prime is 2788390679. The next prime is 2788390721. The reversal of 2788390712 is 2170938872.

It is a super-4 number, since 4×2788390712⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 71789 + ... + 103587.

It is an arithmetic number, because the mean of its divisors is an integer number (166532625).

Almost surely, 2^2788390712 is an apocalyptic number.

It is an amenable number.

2788390712 is a deficient number, since it is larger than the sum of its proper divisors (2540653288).

2788390712 is a wasteful number, since it uses less digits than its factorization.

2788390712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32015 (or 32011 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 2788390712 is about 52805.2148182355. The cubic root of 2788390712 is about 1407.5090927548.

The spelling of 2788390712 in words is "two billion, seven hundred eighty-eight million, three hundred ninety thousand, seven hundred twelve".