387099081845 has 8 divisors (see below), whose sum is σ = 530878740864. Its totient is φ = 265439370384.

The previous prime is 387099081841. The next prime is 387099081851. The reversal of 387099081845 is 548180990783.

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 387099081845 - 2² = 387099081841 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 (387099081841) 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, 5529986849 + ... + 5529986918.

It is an arithmetic number, because the mean of its divisors is an integer number (66359842608).

Almost surely, 2^387099081845 is an apocalyptic number.

387099081845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

387099081845 is a deficient number, since it is larger than the sum of its proper divisors (143779659019).

387099081845 is a wasteful number, since it uses less digits than its factorization.

387099081845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11059973779.

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 387099081845 in words is "three hundred eighty-seven billion, ninety-nine million, eighty-one thousand, eight hundred forty-five".