399413672783 has 8 divisors (see below), whose sum is σ = 401049605376. Its totient is φ = 397778095000.

The previous prime is 399413672771. The next prime is 399413672809. The reversal of 399413672783 is 387276314993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 399413672783 - 2¹⁰ = 399413671759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399413672683) 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, 2298410 + ... + 2466072.

It is an arithmetic number, because the mean of its divisors is an integer number (50131200672).

Almost surely, 2^399413672783 is an apocalyptic number.

399413672783 is a deficient number, since it is larger than the sum of its proper divisors (1635932593).

399413672783 is a wasteful number, since it uses less digits than its factorization.

399413672783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177405.

The product of its digits is 41150592, while the sum is 62.

The spelling of 399413672783 in words is "three hundred ninety-nine billion, four hundred thirteen million, six hundred seventy-two thousand, seven hundred eighty-three".