87451460 has 12 divisors (see below), whose sum is σ = 183648108. Its totient is φ = 34980576.

The previous prime is 87451459. The next prime is 87451477. The reversal of 87451460 is 6415478.

It can be written as a sum of positive squares in 2 ways, for example, as 49308484 + 38142976 = 7022^2 + 6176^2 .

It is a super-2 number, since 2×87451460² = 15295515712263200, 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 87451460.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186267 + ... + 2186306.

It is an arithmetic number, because the mean of its divisors is an integer number (15304009).

Almost surely, 2^87451460 is an apocalyptic number.

It is an amenable number.

87451460 is an abundant number, since it is smaller than the sum of its proper divisors (96196648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87451460 is a wasteful number, since it uses less digits than its factorization.

87451460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372582 (or 4372580 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 87451460 is about 9351.5485348684. The cubic root of 87451460 is about 443.8698926193.

The spelling of 87451460 in words is "eighty-seven million, four hundred fifty-one thousand, four hundred sixty".