385998951117 has 16 divisors (see below), whose sum is σ = 554321915840. Its totient is φ = 237509096832.

The previous prime is 385998951049. The next prime is 385998951133. The reversal of 385998951117 is 711159899583.

It is not a de Polignac number, because 385998951117 - 2⁷ = 385998950989 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 (385998951157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269323 + ... + 918984.

It is an arithmetic number, because the mean of its divisors is an integer number (34645119740).

Almost surely, 2^385998951117 is an apocalyptic number.

It is an amenable number.

385998951117 is a deficient number, since it is larger than the sum of its proper divisors (168322964723).

385998951117 is a wasteful number, since it uses less digits than its factorization.

385998951117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196652.

The product of its digits is 24494400, while the sum is 66.

The spelling of 385998951117 in words is "three hundred eighty-five billion, nine hundred ninety-eight million, nine hundred fifty-one thousand, one hundred seventeen".