87235741 has 8 divisors (see below), whose sum is σ = 92446200. Its totient is φ = 82172160.

The previous prime is 87235727. The next prime is 87235781. The reversal of 87235741 is 14753278.

It can be written as a sum of positive squares in 4 ways, for example, as 5405625 + 81830116 = 2325^2 + 9046^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87235741 - 2⁹ = 87235229 is a prime.

It is a super-2 number, since 2×87235741² = 15220149015638162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87235741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87235781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35496 + ... + 37873.

It is an arithmetic number, because the mean of its divisors is an integer number (11555775).

Almost surely, 2^87235741 is an apocalyptic number.

It is an amenable number.

87235741 is a deficient number, since it is larger than the sum of its proper divisors (5210459).

87235741 is a wasteful number, since it uses less digits than its factorization.

87235741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73439.

The product of its digits is 47040, while the sum is 37.

The square root of 87235741 is about 9340.0075481768. The cubic root of 87235741 is about 443.5046232911.

The spelling of 87235741 in words is "eighty-seven million, two hundred thirty-five thousand, seven hundred forty-one".