3988817697474 has 24 divisors (see below), whose sum is σ = 8676870379632. Its totient is φ = 1324308663000.

The previous prime is 3988817697463. The next prime is 3988817697517. The reversal of 3988817697474 is 4747967188893.

3988817697474 is a `hidden beast` number, since 3 + 9 + 8 + 8 + 81 + 7 + 69 + 7 + 474 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3988817697393 and 3988817697402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441431704 + ... + 441440739.

It is an arithmetic number, because the mean of its divisors is an integer number (361536265818).

Almost surely, 2^{3988817697474} is an apocalyptic number.

3988817697474 is an abundant number, since it is smaller than the sum of its proper divisors (4688052682158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3988817697474 is a wasteful number, since it uses less digits than its factorization.

3988817697474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882872702 (or 882872699 counting only the distinct ones).

The product of its digits is 4096770048, while the sum is 81.

The spelling of 3988817697474 in words is "three trillion, nine hundred eighty-eight billion, eight hundred seventeen million, six hundred ninety-seven thousand, four hundred seventy-four".