87266450 has 24 divisors (see below), whose sum is σ = 166278420. Its totient is φ = 34054400.

The previous prime is 87266447. The next prime is 87266453. The reversal of 87266450 is 5466278.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87266447) and next prime (87266453).

It can be written as a sum of positive squares in 6 ways, for example, as 9138529 + 78127921 = 3023^2 + 8839^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (87266453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19235 + ... + 23334.

Almost surely, 2^87266450 is an apocalyptic number.

87266450 is a deficient number, since it is larger than the sum of its proper divisors (79011970).

87266450 is a wasteful number, since it uses less digits than its factorization.

87266450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42622 (or 42617 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 87266450 is about 9341.6513529461. The cubic root of 87266450 is about 443.5566584833.

The spelling of 87266450 in words is "eighty-seven million, two hundred sixty-six thousand, four hundred fifty".