87742535 has 16 divisors (see below), whose sum is σ = 107274240. Its totient is φ = 68883360.

The previous prime is 87742517. The next prime is 87742541. The reversal of 87742535 is 53524778.

It is not a de Polignac number, because 87742535 - 2⁶ = 87742471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87742492 and 87742501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74864 + ... + 76026.

It is an arithmetic number, because the mean of its divisors is an integer number (6704640).

Almost surely, 2^87742535 is an apocalyptic number.

87742535 is a deficient number, since it is larger than the sum of its proper divisors (19531705).

87742535 is a wasteful number, since it uses less digits than its factorization.

87742535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its digits is 235200, while the sum is 41.

The square root of 87742535 is about 9367.0985369003. The cubic root of 87742535 is about 444.3618087453.

The spelling of 87742535 in words is "eighty-seven million, seven hundred forty-two thousand, five hundred thirty-five".