399705883996 has 6 divisors (see below), whose sum is σ = 699485297000. Its totient is φ = 199852941996.

The previous prime is 399705883937. The next prime is 399705884003. The reversal of 399705883996 is 699388507993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49963235496 + ... + 49963235503.

Almost surely, 2^399705883996 is an apocalyptic number.

It is an amenable number.

399705883996 is a deficient number, since it is larger than the sum of its proper divisors (299779413004).

399705883996 is a wasteful number, since it uses less digits than its factorization.

399705883996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99926471003 (or 99926471001 counting only the distinct ones).

The product of its (nonzero) digits is 793618560, while the sum is 76.

The spelling of 399705883996 in words is "three hundred ninety-nine billion, seven hundred five million, eight hundred eighty-three thousand, nine hundred ninety-six".