3478985788 has 24 divisors (see below), whose sum is σ = 6306890240. Its totient is φ = 1677414960.

The previous prime is 3478985777. The next prime is 3478985789. The reversal of 3478985788 is 8875898743.

It is a super-2 number, since 2×3478985788² = 24206684226211961888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478985789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14478 + ... + 84661.

Almost surely, 2^3478985788 is an apocalyptic number.

It is an amenable number.

3478985788 is a deficient number, since it is larger than the sum of its proper divisors (2827904452).

3478985788 is a wasteful number, since it uses less digits than its factorization.

3478985788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99457 (or 99455 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 67.

The square root of 3478985788 is about 58982.9279368191. The cubic root of 3478985788 is about 1515.2497401507.

The spelling of 3478985788 in words is "three billion, four hundred seventy-eight million, nine hundred eighty-five thousand, seven hundred eighty-eight".