985187103447 has 16 divisors (see below), whose sum is σ = 1442836949760. Its totient is φ = 595170240192.

The previous prime is 985187103431. The next prime is 985187103479. The reversal of 985187103447 is 744301781589.

It is not a de Polignac number, because 985187103447 - 2⁴ = 985187103431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985187103347) 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, 375737478 + ... + 375740099.

It is an arithmetic number, because the mean of its divisors is an integer number (90177309360).

Almost surely, 2^985187103447 is an apocalyptic number.

985187103447 is a deficient number, since it is larger than the sum of its proper divisors (457649846313).

985187103447 is a wasteful number, since it uses less digits than its factorization.

985187103447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751477622.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 985187103447 in words is "nine hundred eighty-five billion, one hundred eighty-seven million, one hundred three thousand, four hundred forty-seven".