87480461 has 2 divisors, whose sum is σ = 87480462. Its totient is φ = 87480460.

The previous prime is 87480439. The next prime is 87480467. The reversal of 87480461 is 16408478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50197225 + 37283236 = 7085^2 + 6106^2 .

It is a cyclic number.

It is not a de Polignac number, because 87480461 - 2⁶ = 87480397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87480467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43740230 + 43740231.

It is an arithmetic number, because the mean of its divisors is an integer number (43740231).

Almost surely, 2^87480461 is an apocalyptic number.

It is an amenable number.

87480461 is a deficient number, since it is larger than the sum of its proper divisors (1).

87480461 is an equidigital number, since it uses as much as digits as its factorization.

87480461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 87480461 is about 9353.0990051426. The cubic root of 87480461 is about 443.9189531612.

The spelling of 87480461 in words is "eighty-seven million, four hundred eighty thousand, four hundred sixty-one".