87610541 has 4 divisors (see below), whose sum is σ = 88250172. Its totient is φ = 86970912.

The previous prime is 87610511. The next prime is 87610543. The reversal of 87610541 is 14501678.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14501678 = 2 ⋅7250839.

It can be written as a sum of positive squares in 2 ways, for example, as 38316100 + 49294441 = 6190^2 + 7021^2 .

It is a cyclic number.

It is not a de Polignac number, because 87610541 - 2⁶ = 87610477 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87610498 and 87610507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87610543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319610 + ... + 319883.

It is an arithmetic number, because the mean of its divisors is an integer number (22062543).

Almost surely, 2^87610541 is an apocalyptic number.

It is an amenable number.

87610541 is a deficient number, since it is larger than the sum of its proper divisors (639631).

87610541 is a wasteful number, since it uses less digits than its factorization.

87610541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639630.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 87610541 is about 9360.0502669590. The cubic root of 87610541 is about 444.1388741923.

The spelling of 87610541 in words is "eighty-seven million, six hundred ten thousand, five hundred forty-one".