87355140 has 48 divisors (see below), whose sum is σ = 249806592. Its totient is φ = 22798336.

The previous prime is 87355097. The next prime is 87355153. The reversal of 87355140 is 4155378.

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 15 ways as a sum of consecutive naturals, for example, 12669 + ... + 18308.

It is an arithmetic number, because the mean of its divisors is an integer number (5204304).

Almost surely, 2^87355140 is an apocalyptic number.

It is an amenable number.

87355140 is an abundant number, since it is smaller than the sum of its proper divisors (162451452).

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

87355140 is a wasteful number, since it uses less digits than its factorization.

87355140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31036 (or 31034 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 87355140 is about 9346.3971668232. The cubic root of 87355140 is about 443.7068716929.

The spelling of 87355140 in words is "eighty-seven million, three hundred fifty-five thousand, one hundred forty".