87343578 has 120 divisors (see below), whose sum is σ = 230712768. Its totient is φ = 23856336.

The previous prime is 87343559. The next prime is 87343579. The reversal of 87343578 is 87534378.

87343578 is a `hidden beast` number, since 8 + 73 + 4 + 3 + 578 = 666.

Its product of digits (564480) is a multiple of the sum of its prime factors (126).

It is not an unprimeable number, because it can be changed into a prime (87343579) 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 59 ways as a sum of consecutive naturals, for example, 1858351 + ... + 1858397.

Almost surely, 2^87343578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87343578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115356384).

87343578 is an abundant number, since it is smaller than the sum of its proper divisors (143369190).

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

87343578 is a wasteful number, since it uses less digits than its factorization.

87343578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 102 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 87343578 is about 9345.7786192484. The cubic root of 87343578 is about 443.6872950345.

The spelling of 87343578 in words is "eighty-seven million, three hundred forty-three thousand, five hundred seventy-eight".