87838089741 has 20 divisors (see below), whose sum is σ = 131249621052. Its totient is φ = 58543242048.

The previous prime is 87838089721. The next prime is 87838089751. The reversal of 87838089741 is 14798083878.

It can be written as a sum of positive squares in 2 ways, for example, as 52052422500 + 35785667241 = 228150^2 + 189171^2 .

It is not a de Polignac number, because 87838089741 - 2¹³ = 87838081549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87838089721) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 169015 + ... + 451931.

Almost surely, 2^87838089741 is an apocalyptic number.

87838089741 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

87838089741 is a deficient number, since it is larger than the sum of its proper divisors (43411531311).

87838089741 is a wasteful number, since it uses less digits than its factorization.

87838089741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286762 (or 286753 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 63.

The spelling of 87838089741 in words is "eighty-seven billion, eight hundred thirty-eight million, eighty-nine thousand, seven hundred forty-one".