87740458 has 16 divisors (see below), whose sum is σ = 141913800. Its totient is φ = 40444416.

The previous prime is 87740449. The next prime is 87740467. The reversal of 87740458 is 85404778.

It is an interprime number because it is at equal distance from previous prime (87740449) and next prime (87740467).

It can be written as a sum of positive squares in 4 ways, for example, as 86545809 + 1194649 = 9303^2 + 1093^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25666 + ... + 28882.

Almost surely, 2^87740458 is an apocalyptic number.

87740458 is a deficient number, since it is larger than the sum of its proper divisors (54173342).

87740458 is a wasteful number, since it uses less digits than its factorization.

87740458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 87740458 is about 9366.9876694698. The cubic root of 87740458 is about 444.3583024764.

The spelling of 87740458 in words is "eighty-seven million, seven hundred forty thousand, four hundred fifty-eight".