87741577 has 12 divisors (see below), whose sum is σ = 110221888. Its totient is φ = 68369400.

The previous prime is 87741557. The next prime is 87741581. The reversal of 87741577 is 77514778.

It is a happy number.

It is not a de Polignac number, because 87741577 - 2¹⁵ = 87708809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87741557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50949 + ... + 52642.

Almost surely, 2^87741577 is an apocalyptic number.

It is an amenable number.

87741577 is a deficient number, since it is larger than the sum of its proper divisors (22480311).

87741577 is a wasteful number, since it uses less digits than its factorization.

87741577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103620 (or 103609 counting only the distinct ones).

The product of its digits is 384160, while the sum is 46.

The square root of 87741577 is about 9367.0474003285. The cubic root of 87741577 is about 444.3601915131.

The spelling of 87741577 in words is "eighty-seven million, seven hundred forty-one thousand, five hundred seventy-seven".