399662028177 has 8 divisors (see below), whose sum is σ = 533249962080. Its totient is φ = 266257723200.

The previous prime is 399662028121. The next prime is 399662028193. The reversal of 399662028177 is 771820266993.

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

It is not a de Polignac number, because 399662028177 - 2⁷ = 399662028049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 399662028177.

It is not an unprimeable number, because it can be changed into a prime (399662028977) 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, 45902152 + ... + 45910857.

It is an arithmetic number, because the mean of its divisors is an integer number (66656245260).

Almost surely, 2^399662028177 is an apocalyptic number.

It is an amenable number.

399662028177 is a deficient number, since it is larger than the sum of its proper divisors (133587933903).

399662028177 is a wasteful number, since it uses less digits than its factorization.

399662028177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91814463.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 399662028177 in words is "three hundred ninety-nine billion, six hundred sixty-two million, twenty-eight thousand, one hundred seventy-seven".