87493450 has 24 divisors (see below), whose sum is σ = 177533280. Its totient is φ = 31815600.

The previous prime is 87493447. The next prime is 87493457. The reversal of 87493450 is 5439478.

It is a hoax number, since the sum of its digits (40) 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 (87493457) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 78990 + ... + 80089.

It is an arithmetic number, because the mean of its divisors is an integer number (7397220).

Almost surely, 2^87493450 is an apocalyptic number.

87493450 is an abundant number, since it is smaller than the sum of its proper divisors (90039830).

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

87493450 is a wasteful number, since it uses less digits than its factorization.

87493450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159102 (or 159097 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 87493450 is about 9353.7933481556. The cubic root of 87493450 is about 443.9409229354.

The spelling of 87493450 in words is "eighty-seven million, four hundred ninety-three thousand, four hundred fifty".