3988817697476 has 24 divisors (see below), whose sum is σ = 7535097904320. Its totient is φ = 1841912818592.

The previous prime is 3988817697463. The next prime is 3988817697517. The reversal of 3988817697476 is 6747967188893.

It is a junction number, because it is equal to n+sod(n) for n = 3988817697394 and 3988817697403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747526886 + ... + 747532221.

It is an arithmetic number, because the mean of its divisors is an integer number (313962412680).

Almost surely, 2^{3988817697476} is an apocalyptic number.

It is an amenable number.

3988817697476 is a deficient number, since it is larger than the sum of its proper divisors (3546280206844).

3988817697476 is a wasteful number, since it uses less digits than its factorization.

3988817697476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495059163 (or 1495059161 counting only the distinct ones).

The product of its digits is 6145155072, while the sum is 83.

The spelling of 3988817697476 in words is "three trillion, nine hundred eighty-eight billion, eight hundred seventeen million, six hundred ninety-seven thousand, four hundred seventy-six".