87398064 has 60 divisors (see below), whose sum is σ = 263413696. Its totient is φ = 26891136.

The previous prime is 87398063. The next prime is 87398093. The reversal of 87398064 is 46089378.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87398063) 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, 21472 + ... + 25215.

Almost surely, 2^87398064 is an apocalyptic number.

It is an amenable number.

87398064 is an abundant number, since it is smaller than the sum of its proper divisors (176015632).

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

87398064 is a wasteful number, since it uses less digits than its factorization.

87398064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46714 (or 46705 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 87398064 is about 9348.6931707057. The cubic root of 87398064 is about 443.7795350572.

The spelling of 87398064 in words is "eighty-seven million, three hundred ninety-eight thousand, sixty-four".