87744550383 has 12 divisors (see below), whose sum is σ = 144848146768. Its totient is φ = 50139743040.

The previous prime is 87744550381. The next prime is 87744550393. The reversal of 87744550383 is 38305544778.

It is a happy number.

87744550383 is a `hidden beast` number, since 8 + 7 + 7 + 4 + 4 + 550 + 3 + 83 = 666.

It is not a de Polignac number, because 87744550383 - 2¹ = 87744550381 is a prime.

It is a super-2 number, since 2×87744550383² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87744550381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696385258 + ... + 696385383.

Almost surely, 2^87744550383 is an apocalyptic number.

87744550383 is a deficient number, since it is larger than the sum of its proper divisors (57103596385).

87744550383 is a wasteful number, since it uses less digits than its factorization.

87744550383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392770654 (or 1392770651 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 87744550383 in words is "eighty-seven billion, seven hundred forty-four million, five hundred fifty thousand, three hundred eighty-three".